operations | C# Online Compiler

operations by Anonymous

using System;
using System.Collections.Generic;
using System.Linq;
					
public class Program
{
	public static void Main()
	{
        List<Operation> operations = new List<Operation>
        {
            new Operation() { Name = "Exemplo1", StartDate = DateTime.Now.AddDays(-25) },
            new Operation() { Name = "Exemplo2", StartDate = DateTime.Now.AddDays(-10) },
            new Operation() { Name = "Exemplo3", StartDate = DateTime.Now.AddDays(-20) },
            new Operation() { Name = "Exemplo4", StartDate = DateTime.Now.AddDays(-30) },
            new Operation() { Name = "Exemplo5", StartDate = DateTime.Now.AddDays(-45) },
            new Operation() { Name = "Exemplo6", StartDate = DateTime.Now.AddDays(-50) }
        };
		
		List<Contact> contacts = new List<Contact>
		{
			new Contact() { Id = 1, OperationName = "Exemplo1", ContactDate = DateTime.Now.AddDays(-10), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
			new Contact() { Id = 2, OperationName = "Operaçao2", ContactDate = DateTime.Now.AddDays(-3), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
			new Contact() { Id = 3, OperationName = "Exemplo1", ContactDate = DateTime.Now.AddDays(-34), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
			new Contact() { Id = 4, OperationName = "Exemplo2", ContactDate = DateTime.Now.AddDays(-5), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
			new Contact() { Id = 5, OperationName = "Exemplo2", ContactDate = DateTime.Now.AddDays(-17), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
			new Contact() { Id = 6, OperationName = "Operaçao6", ContactDate = DateTime.Now.AddDays(-19), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
			new Contact() { Id = 7, OperationName = "Operaçao7", ContactDate = DateTime.Now.AddDays(-20), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
			new Contact() { Id = 8, OperationName = "Operaçao8", ContactDate = DateTime.Now.AddDays(-21), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
			new Contact() { Id = 9, OperationName = "Exemplo6", ContactDate = DateTime.Now.AddDays(-25), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
			new Contact() { Id = 10, OperationName = "Operaçao10", ContactDate = DateTime.Now.AddDays(-31), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
			new Contact() { Id = 11, OperationName = "Operaçao11", ContactDate = DateTime.Now.AddDays(-41), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
			new Contact() { Id = 12, OperationName = "Operaçao12", ContactDate = DateTime.Now.AddDays(-45), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
			new Contact() { Id = 13, OperationName = "Operaçao13", ContactDate = DateTime.Now.AddDays(-43), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
			new Contact() { Id = 14, OperationName = "Operaçao14", ContactDate = DateTime.Now.AddDays(-46), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
			new Contact() { Id = 15, OperationName = "Operaçao15", ContactDate = DateTime.Now.AddDays(-39), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
			new Contact() { Id = 16, OperationName = "Operaçao16", ContactDate = DateTime.Now.AddDays(-37), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
			new Contact() { Id = 17, OperationName = "Operaçao17", ContactDate = DateTime.Now.AddDays(-18), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
			new Contact() { Id = 18, OperationName = "Operaçao18", ContactDate = DateTime.Now.AddDays(-19), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
			new Contact() { Id = 19, OperationName = "Operaçao19", ContactDate = DateTime.Now.AddDays(-1), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
			new Contact() { Id = 20, OperationName = "Operaçao20", ContactDate = DateTime.Now.AddDays(-2), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" }
		};
		
		List<Contact> listaResultado = contacts.Where(x => operations.Any(y => x.OperationName.Equals(y.Name) && x.ContactDate > y.StartDate)).ToList();
		listaResultado.ForEach(p => Console.WriteLine(p.Id));
	}
}

public class Operation
{
    public string Name { get; set; }
    public DateTime StartDate { get; set; }
}

public class Contact
{
	public int Id { get; set; }	
	public string OperationName { get; set; }
	public DateTime ContactDate { get; set; }
	public string OtherAttr { get; set; }
	public string OtherAttr2 { get; set; }
}

​x
 
using System;
using System.Collections.Generic;
using System.Linq;
                    
public class Program
{
    public static void Main()
    {
        List<Operation> operations = new List<Operation>
        {
            new Operation() { Name = "Exemplo1", StartDate = DateTime.Now.AddDays(-25) },
            new Operation() { Name = "Exemplo2", StartDate = DateTime.Now.AddDays(-10) },
            new Operation() { Name = "Exemplo3", StartDate = DateTime.Now.AddDays(-20) },
            new Operation() { Name = "Exemplo4", StartDate = DateTime.Now.AddDays(-30) },
            new Operation() { Name = "Exemplo5", StartDate = DateTime.Now.AddDays(-45) },
            new Operation() { Name = "Exemplo6", StartDate = DateTime.Now.AddDays(-50) }
        };
        
        List<Contact> contacts = new List<Contact>
        {
            new Contact() { Id = 1, OperationName = "Exemplo1", ContactDate = DateTime.Now.AddDays(-10), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
            new Contact() { Id = 2, OperationName = "Operaçao2", ContactDate = DateTime.Now.AddDays(-3), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
            new Contact() { Id = 3, OperationName = "Exemplo1", ContactDate = DateTime.Now.AddDays(-34), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
            new Contact() { Id = 4, OperationName = "Exemplo2", ContactDate = DateTime.Now.AddDays(-5), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
            new Contact() { Id = 5, OperationName = "Exemplo2", ContactDate = DateTime.Now.AddDays(-17), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
            new Contact() { Id = 6, OperationName = "Operaçao6", ContactDate = DateTime.Now.AddDays(-19), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
            new Contact() { Id = 7, OperationName = "Operaçao7", ContactDate = DateTime.Now.AddDays(-20), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
            new Contact() { Id = 8, OperationName = "Operaçao8", ContactDate = DateTime.Now.AddDays(-21), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
            new Contact() { Id = 9, OperationName = "Exemplo6", ContactDate = DateTime.Now.AddDays(-25), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
            new Contact() { Id = 10, OperationName = "Operaçao10", ContactDate = DateTime.Now.AddDays(-31), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
            new Contact() { Id = 11, OperationName = "Operaçao11", ContactDate = DateTime.Now.AddDays(-41), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
            new Contact() { Id = 12, OperationName = "Operaçao12", ContactDate = DateTime.Now.AddDays(-45), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
            new Contact() { Id = 13, OperationName = "Operaçao13", ContactDate = DateTime.Now.AddDays(-43), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
            new Contact() { Id = 14, OperationName = "Operaçao14", ContactDate = DateTime.Now.AddDays(-46), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
            new Contact() { Id = 15, OperationName = "Operaçao15", ContactDate = DateTime.Now.AddDays(-39), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
            new Contact() { Id = 16, OperationName = "Operaçao16", ContactDate = DateTime.Now.AddDays(-37), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
            new Contact() { Id = 17, OperationName = "Operaçao17", ContactDate = DateTime.Now.AddDays(-18), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
            new Contact() { Id = 18, OperationName = "Operaçao18", ContactDate = DateTime.Now.AddDays(-19), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
            new Contact() { Id = 19, OperationName = "Operaçao19", ContactDate = DateTime.Now.AddDays(-1), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" },
            new Contact() { Id = 20, OperationName = "Operaçao20", ContactDate = DateTime.Now.AddDays(-2), OtherAttr = "Qualquer coisa", OtherAttr2 = "Qualquer coisa" }
        };
        
        List<Contact> listaResultado = contacts.Where(x => operations.Any(y => x.OperationName.Equals(y.Name) && x.ContactDate > y.StartDate)).ToList();
        listaResultado.ForEach(p => Console.WriteLine(p.Id));
    }
}
​
public class Operation
{
    public string Name { get; set; }
    public DateTime StartDate { get; set; }
}
​
public class Contact
{
    public int Id { get; set; } 
    public string OperationName { get; set; }
    public DateTime ContactDate { get; set; }
    public string OtherAttr { get; set; }
    public string OtherAttr2 { get; set; }
}

3 , 4
3 , 4
Numbers: 3
Numbers: 4

Grouping

Grouping By Gender:

Male
Name: Tom - Gender: Male - Age 20
Name: Dick - Gender: Male - Age 20
Name: Harry - Gender: Male - Age 19
Female
Name: Jane - Gender: Female - Age 21
Name: Wendy - Gender: Female - Age 20
Name: Susan - Gender: Female - Age 23

Grouping By Age , over 21:

23
Name: Susan - Gender: Female - Age 23

Grouping By First Letter of Name:

D
Name: Dick - Gender: Male - Age 20
H
Name: Harry - Gender: Male - Age 19
J
Name: Jane - Gender: Female - Age 21
S
Name: Susan - Gender: Female - Age 23
T
Name: Tom - Gender: Male - Age 20
W
Name: Wendy - Gender: Female - Age 20

LINQ METHOD SYNTAX:

D
Name: Dick - Gender: Male - Age 20
H
Name: Harry - Gender: Male - Age 19
J
Name: Jane - Gender: Female - Age 21
S
Name: Susan - Gender: Female - Age 23
T
Name: Tom - Gender: Male - Age 20
W
Name: Wendy - Gender: Female - Age 20

LINQ METHOD SYNTAX, Grouping By Multiple Keys (Gender, Age):

{ Gender = Male, Age = 19 }
Name: Harry
{ Gender = Female, Age = 21 }
Name: Jane
{ Gender = Female, Age = 20 }
Name: Wendy
{ Gender = Female, Age = 23 }
Name: Susan
{ Gender = Male, Age = 20 }
Name: Tom
Name: Dick

Last Run:	8:54:12 am
Compile:	0.237s
Execute:	0.031s
Memory:	24kb
CPU:	0.062s

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