cms | C# Online Compiler

cms by gmershadmca@gmail.com

using System;
using System.Collection.Generics;
					
public class Program
{
	public static void Main()
	{
		string fileName = "D:\\Jdeveloper\\mywork\\ConferenceTrackManagement\\src\\com\\mywork\\conference\\data\\ConferenceData.txt";
        ConferenceManager conferenceManager = new ConferenceManager();
		
        try{
			
            conferenceManager.scheduleConference(fileName);
			
        }
		catch(InvalidTalkException ite) 
		{
            ite.printStackTrace();
        }
		catch(Exception e)
        {
            e.printStackTrace();
        }
		
	}
}


public class ConferenceManager 
{
   
	public List<List<Talk>> scheduleConference(string fileName)
    {
        List<string> talkList = getTalkListFromFile(fileName);
        return scheduleConference(talkList);
    }
	
	public List<List<Talk>> scheduleConference(List<String> talkList)
    {
        List<Talk> talksList = validateAndCreateTalks(talkList);
        return getScheduleConferenceTrack(talksList);
    }
	
	
	public List<string> getTalkListFromFile(string fileName)
    {
        List<string> talkList = new ArrayList<string>();
		
        try{
          // Open the file.
          FileInputStream fstream = new FileInputStream(fileName);
          // Get the object of DataInputStream
          DataInputStream in = new DataInputStream(fstream);
          BufferedReader br = new BufferedReader(new InputStreamReader(in));
          String strLine = br.readLine();
          //Read File Line By Line
          while (strLine != null)   {
            talkList.add(strLine);
            strLine = br.readLine();
          }
          //Close the input stream
          in.close();
        }catch (Exception e){//Catch exception if any
          System.err.println("Error: " + e.getMessage());
        }
        
        return talkList;
    }
	
	private List<Talk> validateAndCreateTalks(List<String> talkList)
	{
		  if(talkList == null)
		  {
            Console.WriteLine("Empty Talk List");
			  return;
		  }
        
        List<Talk> validTalksList = new ArrayList<Talk>();
        int talkCount = -1;
        string minSuffix = "min";
        string lightningSuffix = "lightning";
		
		 foreach(string talk in talkList)
        {
            int lastSpaceIndex = talk.LastIndexOf(" ");
			 
            // if talk does not have any space, means either title or time is missing.
            if(lastSpaceIndex == -1)
			{
                ConSoleWriteLine("Invalid talk, " + talk + ". Talk time must be specify.");
				return;
			}
            
            string name = talk.SubString(0, lastSpaceIndex);
            String timeStr = talk.SubString(lastSpaceIndex + 1);
			 
            // If title is missing or blank.
            if(name == null || "".equals(name.trim()))
			{
                Console.WriteLine("Invalid talk name, " + talk);
				return;
			}
            // If time is not ended with min or lightning.
            else if(!timeStr.EndsWith(minSuffix) && !timeStr.EndsWith(lightningSuffix))
			{
                Console.WriteLine("Invalid talk time, " + talk + ". Time must be in min or in lightning");
				return;
			}
            
            talkCount++;
            int time = 0;
			 
			// Parse time from the time string .
            try{
				
                if(timeStr.EndsWith(minSuffix)) 
				{
                    time = Int32.Parse(timeStr.SubString(0, timeStr.IndexOf(minSuffix)));
                }
                else if(timeStr.EndsWith(lightningSuffix)) 
				{
                    string lightningTime = timeStr.Substring(0, timeStr.indexOf(lightningSuffix));
					
                    if("".equals(lightningTime))
					{
                        time = 5;
					}
                    else
					{
                        time = Integer.parseInt(lightningTime) * 5;
					}
                }
              }
			 catch(NumberFormatException nfe) 
			 {
                throw new InvalidTalkException("Unbale to parse time " + timeStr + " for talk " + talk);
            }
			 
			 
			 // Add talk to the valid talk List.
            validTalksList.add(new Talk(talk, name, time));
        }
        
        return validTalksList;
	}
			 
			 
			 
	private List<List<Talk>> getScheduleConferenceTrack(List<Talk> talksList)
    {
        // Find the total possible days.
        int perDayMinTime = 6 * 60;
        int totalTalksTime = getTotalTalksTime(talksList);
        int totalPossibleDays = totalTalksTime/perDayMinTime;
        
        // Sort the talkList.
        List<Talk> talksListForOperation = new ArrayList<Talk>(); 
        talksListForOperation.addAll(talksList);
        talksListForOperation.Sort();
        
        // Find possible combinations for the morning session.
        List<List<Talk>> combForMornSessions = findPossibleCombSession(talksListForOperation, totalPossibleDays, true);
        
        // Remove all the scheduled talks for morning session, from the operationList.
        foreach(List<Talk> talkList in combForMornSessions) 
		{
            talksListForOperation.removeAll(talkList);
        }		 
			 
		// Find possible combinations for the evening session.
        List<List<Talk>> combForEveSessions = findPossibleCombSession(talksListForOperation, totalPossibleDays, false);
        
        // Remove all the scheduled talks for evening session, from the operationList.
        foreach(List<Talk> talkList in combForEveSessions) 
		{
            talksListForOperation.removeAll(talkList);
        }
		
		// check if the operation list is not empty, then try to fill all the remaining talks in evening session. 
        int maxSessionTimeLimit = 240;
		
        if(!talksListForOperation.isEmpty()) 
		{
            List<Talk> scheduledTalkList = new ArrayList<Talk>();
			
            foreach(List<Talk> talkList in combForEveSessions) 
			{
                int totalTime = getTotalTalksTime(talkList);
                
                for(Talk talk in talksListForOperation) 
				{
                    int talkTime = talk.getTimeDuration();
                    
                    if(talkTime + totalTime <= maxSessionTimeLimit) 
					{
                        talkList.add(talk);
                        talk.setScheduled(true);
                        scheduledTalkList.add(talk);
                    }
                }
                
                talksListForOperation.removeAll(scheduledTalkList);
				
                if(talksListForOperation.isEmpty())
                    break;
            }
        }
		
		    // If operation list is still not empty, its mean the conference can not be scheduled with the provided data.
        if(!talksListForOperation.IsEmpty())
        {
            Console.WriteLine("Unable to schedule all task for conferencing.");
			return;
        }
        
        // Schedule the day event from morning session and evening session.
        return getScheduledTalksList(combForMornSessions, combForEveSessions);
	}
        
		
	private List<List<Talk>> findPossibleCombSession(List<Talk> talksListForOperation, int totalPossibleDays, bool morningSession)
       {
		
        int minSessionTimeLimit = 180;
        int maxSessionTimeLimit = 240;
        
        if(morningSession)
		{
            maxSessionTimeLimit = minSessionTimeLimit;
		}
        
        int talkListSize = talksListForOperation.size();
        List<List<Talk>> possibleCombinationsOfTalks = new ArrayList<List<Talk>>();
        int possibleCombinationCount = 0;
		
		   // Loop to get combination for total possible days.
        // Check one by one from each talk to get possible combination.
        for(int count = 0; count < talkListSize; count++) 
		{
            int startPoint = count;
            int totalTime = 0;
            List<Talk> possibleCombinationList = new ArrayList<Talk>();
            
            // Loop to get possible combination.
            while(startPoint != talkListSize) 
			{
                int currentCount = startPoint;
                startPoint++;
                Talk currentTalk = talksListForOperation.get(currentCount);
                if(currentTalk.isScheduled())
                    continue;
				
                int talkTime = currentTalk.getTimeDuration();
				
                // If the current talk time is greater than maxSessionTimeLimit or 
                // sum of the current time and total of talk time added in list  is greater than maxSessionTimeLimit.
                // then continue.
                if(talkTime > maxSessionTimeLimit || talkTime + totalTime > maxSessionTimeLimit) 
				{
                    continue;
                }
				
				possibleCombinationList.add(currentTalk);
                totalTime += talkTime;
                
                // If total time is completed for this session than break this loop.
                if(morningSession) 
				{
                    if(totalTime == maxSessionTimeLimit)
                        break;
                }
				else if(totalTime >= minSessionTimeLimit)
                    break;
            }
			
			bool validSession = false;
            if(morningSession)
			{
                validSession = (totalTime == maxSessionTimeLimit);
			}
            else
			{
                validSession = (totalTime >= minSessionTimeLimit && totalTime <= maxSessionTimeLimit);
			}
            
            // If session is valid than add this session in the possible combination list and set all added talk as scheduled.
            if(validSession)
			{
                possibleCombinationsOfTalks.add(possibleCombinationList);
				
                foreach(Talk talk in possibleCombinationList)
				{
                    talk.setScheduled(true);
                }
				
                possibleCombinationCount++;
				
                if(possibleCombinationCount == totalPossibleDays)
                    break;
            }
        }
        
        return possibleCombinationsOfTalks;
	}
        
	
 private List<List<Talk>> getScheduledTalksList(List<List<Talk>> combForMornSessions, List<List<Talk>> combForEveSessions)
    {
        List<List<Talk>> scheduledTalksList = new ArrayList<List<Talk>>();
        int totalPossibleDays = combForMornSessions.size();
        
        // for loop to schedule event for all days.
        for(int dayCount = 0; dayCount < totalPossibleDays; dayCount++)
		{
            List<Talk> talkList = new ArrayList<Talk>();
            
            // Create a date and initialize start time 09:00 AM.
            Date date = new Date( );
            SimpleDateFormat dateFormat = new SimpleDateFormat ("hh:mma ");
            date.setHours(9);
            date.setMinutes(0);
            date.setSeconds(0);
            
            int trackCount = dayCount + 1;
            string scheduledTime = dateFormat.format(date);
            
            Console.WriteLine("Track " + trackCount + ":");
			 
			 
			  // Morning Session - set the scheduled time in the talk and get the next time using time duration of current talk.
            List<Talk> mornSessionTalkList = combForMornSessions.get(dayCount);
			
            foreach(Talk talk in mornSessionTalkList) 
			{
                talk.setScheduledTime(scheduledTime);
                Console.WriteLine(scheduledTime + talk.getTitle());
                scheduledTime = getNextScheduledTime(date, talk.getTimeDuration());
                talkList.add(talk);
            }
			 
			// Scheduled Lunch Time for 60 mins.
            int lunchTimeDuration = 60;
            Talk lunchTalk = new Talk("Lunch", "Lunch", 60);
            lunchTalk.setScheduledTime(scheduledTime);
            talkList.Add(lunchTalk);
            Console.WriteLine(scheduledTime + "Lunch");
            
            // Evening Session - set the scheduled time in the talk and get the next time using time duration of current talk.
            scheduledTime = getNextScheduledTime(date, lunchTimeDuration);
            List<Talk> eveSessionTalkList = combForEveSessions.get(dayCount);
			
            foreach(Talk talk in eveSessionTalkList) 
			{
                talk.setScheduledTime(scheduledTime);
                talkList.Add(talk);
                Console.WriteLine(scheduledTime + talk.getTitle());
                scheduledTime = getNextScheduledTime(date, talk.getTimeDuration());
            }
			
			// Scheduled Networking Event at the end of session, Time duration is just to initialize the Talk object.
            Talk networkingTalk = new Talk("Networking Event", "Networking Event", 60);
            networkingTalk.setScheduledTime(scheduledTime);
            talkList.Add(networkingTalk);
            Console.WriteLine(scheduledTime + "Networking Event\n");
            scheduledTalksList.Add(talkList);
        }
        
        return scheduledTalksList;
    }
	
	
	public static int getTotalTalksTime(List<Talk> talksList)
    {
        if(talksList == null || talksList.isEmpty())
            return 0;
        
        int totalTime = 0;
		
        foreach(Talk talk in talksList) 
		{
            totalTime += talk.timeDuration;
        }
		
        return totalTime;
    }
	
	
  private string getNextScheduledTime(DateTime date, int timeDuration)
    {
        long timeInLong  = date.getTime();
        SimpleDateFormat dateFormat = new SimpleDateFormat ("hh:mma ");
        
        long timeDurationInLong = timeDuration * 60 * 1000;
        long newTimeInLong = timeInLong + timeDurationInLong;
        
        date.setTime(newTimeInLong);
        string str = dateFormat.format(date);
        return str;
    }	 
			 
			 
}


//Talk Class

 public static class Talk 
 {
        String title;
        String name;
        int timeDuration;
        boolean scheduled = false;
        String scheduledTime;
        
        /**
         * Constructor for Talk.
         * @param title
         * @param name
         * @param time
         */
        public Talk(String title, String name, int time) 
		{
            this.title = title;
            this.name = name;
            this.timeDuration = time;
        }
	 
	   /**
         * To set the flag scheduled.
         * @param scheduled
         */
        public void setScheduled(bool scheduled) 
		{
            this.scheduled = scheduled;
        }
        
        /**
         * To get flag scheduled.
         * If talk scheduled then returns true, else false.
         * @return
         */
        public bool isScheduled() 
		{
            return scheduled;
        }
	 
	 public void setScheduledTime(string scheduledTime) 
	 {
            this.scheduledTime = scheduledTime;
     }
	 
	  public string getScheduledTime()
	  {
            return scheduledTime;
      
	  }
	 
	  public int getTimeDuration() 
	  {
            return timeDuration;
      }
	 
	  public String getTitle() 
	  {
            return title;
       }
	 
	 public int compareTo(Object obj)
        {
            Talk talk = (Talk)obj;
		 
            if(this.timeDuration > talk.timeDuration)
                return -1;
		 
            else if(this.timeDuration < talk.timeDuration)
                return 1;
            else
            return 0;
        }
	 
 }


public class InvalidTalkException : Exception
{
    @SuppressWarnings("compatibility:-140331834793898838")
    private static final long serialVersionUID = 1L;

    public InvalidTalkException(String msg) 
	{
        super(msg);
    }
}
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	


}

​x
 
using System;
using System.Collection.Generics;
                    
public class Program
{
    public static void Main()
    {
        string fileName = "D:\\Jdeveloper\\mywork\\ConferenceTrackManagement\\src\\com\\mywork\\conference\\data\\ConferenceData.txt";
        ConferenceManager conferenceManager = new ConferenceManager();
        
        try{
            
            conferenceManager.scheduleConference(fileName);
            
        }
        catch(InvalidTalkException ite) 
        {
            ite.printStackTrace();
        }
        catch(Exception e)
        {
            e.printStackTrace();
        }
        
    }
}
​
​
public class ConferenceManager 
{
   
    public List<List<Talk>> scheduleConference(string fileName)
    {
        List<string> talkList = getTalkListFromFile(fileName);
        return scheduleConference(talkList);
    }
    
    public List<List<Talk>> scheduleConference(List<String> talkList)
    {
        List<Talk> talksList = validateAndCreateTalks(talkList);
        return getScheduleConferenceTrack(talksList);
    }
    
    
    public List<string> getTalkListFromFile(string fileName)
    {
        List<string> talkList = new ArrayList<string>();
        
        try{
          // Open the file.
          FileInputStream fstream = new FileInputStream(fileName);
          // Get the object of DataInputStream
          DataInputStream in = new DataInputStream(fstream);
          BufferedReader br = new BufferedReader(new InputStreamReader(in));
          String strLine = br.readLine();
          //Read File Line By Line
          while (strLine != null)   {
            talkList.add(strLine);
            strLine = br.readLine();
          }
          //Close the input stream
          in.close();
        }catch (Exception e){//Catch exception if any
          System.err.println("Error: " + e.getMessage());
        }
        
        return talkList;
    }
    
    private List<Talk> validateAndCreateTalks(List<String> talkList)
    {
          if(talkList == null)
          {
            Console.WriteLine("Empty Talk List");
              return;
          }
        
        List<Talk> validTalksList = new ArrayList<Talk>();
        int talkCount = -1;
        string minSuffix = "min";
        string lightningSuffix = "lightning";
        
         foreach(string talk in talkList)
        {
            int lastSpaceIndex = talk.LastIndexOf(" ");
             
            // if talk does not have any space, means either title or time is missing.
            if(lastSpaceIndex == -1)
            {
                ConSoleWriteLine("Invalid talk, " + talk + ". Talk time must be specify.");
                return;
            }
            
            string name = talk.SubString(0, lastSpaceIndex);
            String timeStr = talk.SubString(lastSpaceIndex + 1);
             
            // If title is missing or blank.
            if(name == null || "".equals(name.trim()))
            {
                Console.WriteLine("Invalid talk name, " + talk);
                return;
            }
            // If time is not ended with min or lightning.
            else if(!timeStr.EndsWith(minSuffix) && !timeStr.EndsWith(lightningSuffix))
            {
                Console.WriteLine("Invalid talk time, " + talk + ". Time must be in min or in lightning");
                return;
            }
            
            talkCount++;
            int time = 0;
             
            // Parse time from the time string .
            try{
                
                if(timeStr.EndsWith(minSuffix)) 
                {
                    time = Int32.Parse(timeStr.SubString(0, timeStr.IndexOf(minSuffix)));
                }
                else if(timeStr.EndsWith(lightningSuffix)) 
                {
                    string lightningTime = timeStr.Substring(0, timeStr.indexOf(lightningSuffix));
                    
                    if("".equals(lightningTime))
                    {
                        time = 5;
                    }
                    else
                    {
                        time = Integer.parseInt(lightningTime) * 5;
                    }
                }
              }
             catch(NumberFormatException nfe) 
             {
                throw new InvalidTalkException("Unbale to parse time " + timeStr + " for talk " + talk);
            }
             
             
             // Add talk to the valid talk List.
            validTalksList.add(new Talk(talk, name, time));
        }
        
        return validTalksList;
    }
             
             
             
    private List<List<Talk>> getScheduleConferenceTrack(List<Talk> talksList)
    {
        // Find the total possible days.
        int perDayMinTime = 6 * 60;
        int totalTalksTime = getTotalTalksTime(talksList);
        int totalPossibleDays = totalTalksTime/perDayMinTime;
        
        // Sort the talkList.
        List<Talk> talksListForOperation = new ArrayList<Talk>(); 
        talksListForOperation.addAll(talksList);
        talksListForOperation.Sort();
        
        // Find possible combinations for the morning session.
        List<List<Talk>> combForMornSessions = findPossibleCombSession(talksListForOperation, totalPossibleDays, true);
        
        // Remove all the scheduled talks for morning session, from the operationList.
        foreach(List<Talk> talkList in combForMornSessions) 
        {
            talksListForOperation.removeAll(talkList);
        }        
             
        // Find possible combinations for the evening session.
        List<List<Talk>> combForEveSessions = findPossibleCombSession(talksListForOperation, totalPossibleDays, false);
        
        // Remove all the scheduled talks for evening session, from the operationList.
        foreach(List<Talk> talkList in combForEveSessions) 
        {
            talksListForOperation.removeAll(talkList);
        }
        
        // check if the operation list is not empty, then try to fill all the remaining talks in evening session. 
        int maxSessionTimeLimit = 240;
        
        if(!talksListForOperation.isEmpty()) 
        {
            List<Talk> scheduledTalkList = new ArrayList<Talk>();
            
            foreach(List<Talk> talkList in combForEveSessions) 
            {
                int totalTime = getTotalTalksTime(talkList);
                
                for(Talk talk in talksListForOperation) 
                {
                    int talkTime = talk.getTimeDuration();
                    
                    if(talkTime + totalTime <= maxSessionTimeLimit) 
                    {
                        talkList.add(talk);
                        talk.setScheduled(true);
                        scheduledTalkList.add(talk);
                    }
                }
                
                talksListForOperation.removeAll(scheduledTalkList);
                
                if(talksListForOperation.isEmpty())
                    break;
            }
        }
        
            // If operation list is still not empty, its mean the conference can not be scheduled with the provided data.
        if(!talksListForOperation.IsEmpty())
        {
            Console.WriteLine("Unable to schedule all task for conferencing.");
            return;
        }
        
        // Schedule the day event from morning session and evening session.
        return getScheduledTalksList(combForMornSessions, combForEveSessions);
    }
        
        
    private List<List<Talk>> findPossibleCombSession(List<Talk> talksListForOperation, int totalPossibleDays, bool morningSession)
       {
        
        int minSessionTimeLimit = 180;
        int maxSessionTimeLimit = 240;
        
        if(morningSession)
        {
            maxSessionTimeLimit = minSessionTimeLimit;
        }
        
        int talkListSize = talksListForOperation.size();
        List<List<Talk>> possibleCombinationsOfTalks = new ArrayList<List<Talk>>();
        int possibleCombinationCount = 0;
        
           // Loop to get combination for total possible days.
        // Check one by one from each talk to get possible combination.
        for(int count = 0; count < talkListSize; count++) 
        {
            int startPoint = count;
            int totalTime = 0;
            List<Talk> possibleCombinationList = new ArrayList<Talk>();
            
            // Loop to get possible combination.
            while(startPoint != talkListSize) 
            {
                int currentCount = startPoint;
                startPoint++;
                Talk currentTalk = talksListForOperation.get(currentCount);
                if(currentTalk.isScheduled())
                    continue;
                
                int talkTime = currentTalk.getTimeDuration();
                
                // If the current talk time is greater than maxSessionTimeLimit or 
                // sum of the current time and total of talk time added in list  is greater than maxSessionTimeLimit.
                // then continue.
                if(talkTime > maxSessionTimeLimit || talkTime + totalTime > maxSessionTimeLimit) 
                {
                    continue;
                }
                
                possibleCombinationList.add(currentTalk);
                totalTime += talkTime;
                
                // If total time is completed for this session than break this loop.
                if(morningSession) 
                {
                    if(totalTime == maxSessionTimeLimit)
                        break;
                }
                else if(totalTime >= minSessionTimeLimit)
                    break;
            }
            
            bool validSession = false;
            if(morningSession)
            {
                validSession = (totalTime == maxSessionTimeLimit);
            }
            else
            {
                validSession = (totalTime >= minSessionTimeLimit && totalTime <= maxSessionTimeLimit);
            }
            
            // If session is valid than add this session in the possible combination list and set all added talk as scheduled.
            if(validSession)
            {
                possibleCombinationsOfTalks.add(possibleCombinationList);
                
                foreach(Talk talk in possibleCombinationList)
                {
                    talk.setScheduled(true);
                }
                
                possibleCombinationCount++;
                
                if(possibleCombinationCount == totalPossibleDays)
                    break;
            }
        }
        
        return possibleCombinationsOfTalks;
    }
        
    
 private List<List<Talk>> getScheduledTalksList(List<List<Talk>> combForMornSessions, List<List<Talk>> combForEveSessions)
    {
        List<List<Talk>> scheduledTalksList = new ArrayList<List<Talk>>();
        int totalPossibleDays = combForMornSessions.size();
        
        // for loop to schedule event for all days.
        for(int dayCount = 0; dayCount < totalPossibleDays; dayCount++)
        {
            List<Talk> talkList = new ArrayList<Talk>();
            
            // Create a date and initialize start time 09:00 AM.
            Date date = new Date( );
            SimpleDateFormat dateFormat = new SimpleDateFormat ("hh:mma ");
            date.setHours(9);
            date.setMinutes(0);
            date.setSeconds(0);
            
            int trackCount = dayCount + 1;
            string scheduledTime = dateFormat.format(date);
            
            Console.WriteLine("Track " + trackCount + ":");
             
             
              // Morning Session - set the scheduled time in the talk and get the next time using time duration of current talk.
            List<Talk> mornSessionTalkList = combForMornSessions.get(dayCount);
            
            foreach(Talk talk in mornSessionTalkList) 
            {
                talk.setScheduledTime(scheduledTime);
                Console.WriteLine(scheduledTime + talk.getTitle());
                scheduledTime = getNextScheduledTime(date, talk.getTimeDuration());
                talkList.add(talk);
            }
             
            // Scheduled Lunch Time for 60 mins.
            int lunchTimeDuration = 60;
            Talk lunchTalk = new Talk("Lunch", "Lunch", 60);
            lunchTalk.setScheduledTime(scheduledTime);
            talkList.Add(lunchTalk);
            Console.WriteLine(scheduledTime + "Lunch");
            
            // Evening Session - set the scheduled time in the talk and get the next time using time duration of current talk.
            scheduledTime = getNextScheduledTime(date, lunchTimeDuration);
            List<Talk> eveSessionTalkList = combForEveSessions.get(dayCount);
            
            foreach(Talk talk in eveSessionTalkList) 
            {
                talk.setScheduledTime(scheduledTime);
                talkList.Add(talk);
                Console.WriteLine(scheduledTime + talk.getTitle());
                scheduledTime = getNextScheduledTime(date, talk.getTimeDuration());
            }
            
            // Scheduled Networking Event at the end of session, Time duration is just to initialize the Talk object.
            Talk networkingTalk = new Talk("Networking Event", "Networking Event", 60);
            networkingTalk.setScheduledTime(scheduledTime);
            talkList.Add(networkingTalk);
            Console.WriteLine(scheduledTime + "Networking Event\n");
            scheduledTalksList.Add(talkList);
        }
        
        return scheduledTalksList;
    }
    
    
    public static int getTotalTalksTime(List<Talk> talksList)
    {
        if(talksList == null || talksList.isEmpty())
            return 0;
        
        int totalTime = 0;
        
        foreach(Talk talk in talksList) 
        {
            totalTime += talk.timeDuration;
        }
        
        return totalTime;
    }
    
    
  private string getNextScheduledTime(DateTime date, int timeDuration)
    {
        long timeInLong  = date.getTime();
        SimpleDateFormat dateFormat = new SimpleDateFormat ("hh:mma ");
        
        long timeDurationInLong = timeDuration * 60 * 1000;
        long newTimeInLong = timeInLong + timeDurationInLong;
        
        date.setTime(newTimeInLong);
        string str = dateFormat.format(date);
        return str;
    }    
             
             
}
​
​
//Talk Class
​
 public static class Talk 
 {
        String title;
        String name;
        int timeDuration;
        boolean scheduled = false;
        String scheduledTime;
        
        /**
         * Constructor for Talk.
         * @param title
         * @param name
         * @param time
         */
        public Talk(String title, String name, int time) 
        {
            this.title = title;
            this.name = name;
            this.timeDuration = time;
        }
     
       /**
         * To set the flag scheduled.
         * @param scheduled
         */
        public void setScheduled(bool scheduled) 
        {
            this.scheduled = scheduled;
        }
        
        /**
         * To get flag scheduled.
         * If talk scheduled then returns true, else false.
         * @return
         */
        public bool isScheduled() 
        {
            return scheduled;
        }
     
     public void setScheduledTime(string scheduledTime) 
     {
            this.scheduledTime = scheduledTime;
     }
     
      public string getScheduledTime()
      {
            return scheduledTime;
      
      }
     
      public int getTimeDuration() 
      {
            return timeDuration;
      }
     
      public String getTitle() 
      {
            return title;
       }
     
     public int compareTo(Object obj)
        {
            Talk talk = (Talk)obj;
         
            if(this.timeDuration > talk.timeDuration)
                return -1;
         
            else if(this.timeDuration < talk.timeDuration)
                return 1;
            else
            return 0;
        }
     
 }
​
​
public class InvalidTalkException : Exception
{
    @SuppressWarnings("compatibility:-140331834793898838")
    private static final long serialVersionUID = 1L;
​
    public InvalidTalkException(String msg) 
    {
        super(msg);
    }
}
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
​
​
}

|-- CompilationUnitSyntax(Kind=CompilationUnit)
|   |-- UsingDirectiveSyntax(Kind=UsingDirective)
|       \-- SyntaxToken(Kind=UsingKeyword, Text="using", ValueText: "using", ToFullString="using ")
|                Trailing Trivia: SyntaxTrivia(Kind=WhitespaceTrivia " ")
|   |   |-- QualifiedNameSyntax(Kind=QualifiedName)
|   |   |   |-- IdentifierNameSyntax(Kind=IdentifierName)
|   |   |       \-- SyntaxToken(Kind=IdentifierToken, Text="System", ValueText: "System", ToFullString="System")
|   |       \-- SyntaxToken(Kind=DotToken, Text=".", ValueText: ".", ToFullString=".")
|   |   |   |-- IdentifierNameSyntax(Kind=IdentifierName)
|   |   |       \-- SyntaxToken(Kind=IdentifierToken, Text="Security", ValueText: "Security", ToFullString="Security")
|       \-- SyntaxToken(Kind=SemicolonToken, Text=";", ValueText: ";", ToFullString=";
")
|                Trailing Trivia: SyntaxTrivia(Kind=EndOfLineTrivia "
")
|   |-- GlobalStatementSyntax(Kind=GlobalStatement)
|   |   |-- LocalDeclarationStatementSyntax(Kind=LocalDeclarationStatement)
|   |   |   |-- VariableDeclarationSyntax(Kind=VariableDeclaration)
|   |   |   |   |-- PredefinedTypeSyntax(Kind=PredefinedType)
|   |   |   |       \-- SyntaxToken(Kind=IntKeyword, Text="int", ValueText: "int", ToFullString="// Simple demo
int ")
|   |   |   |                Leading Trivia: SyntaxTrivia(Kind=SingleLineCommentTrivia "// Simple demo")
|   |   |   |                Leading Trivia: SyntaxTrivia(Kind=EndOfLineTrivia "
")
|   |   |   |                Trailing Trivia: SyntaxTrivia(Kind=WhitespaceTrivia " ")
|   |   |   |   |-- VariableDeclaratorSyntax(Kind=VariableDeclarator)
|   |   |   |       \-- SyntaxToken(Kind=IdentifierToken, Text="", ValueText: "", ToFullString="int = 10")
|   |   |   |                Trailing Trivia: SyntaxTrivia(Kind=SkippedTokensTrivia "int")
|   |   |   |                Trailing Trivia: SyntaxTrivia(Kind=WhitespaceTrivia " ")
|   |   |   |                Trailing Trivia: SyntaxTrivia(Kind=SkippedTokensTrivia "=")
|   |   |   |                Trailing Trivia: SyntaxTrivia(Kind=WhitespaceTrivia " ")
|   |   |   |                Trailing Trivia: SyntaxTrivia(Kind=SkippedTokensTrivia "10")
|   |       \-- SyntaxToken(Kind=SemicolonToken, Text=";", ValueText: ";", ToFullString=";")
    \-- SyntaxToken(Kind=EndOfFileToken, Text="", ValueText: "", ToFullString="")

Last Run:	4:34:38 pm
Compile:	0.178s
Execute:	0.16s
Memory:	14.46Mb
CPU:	0.338s

View IL Code