public void collegeName() {
Console.WriteLine("PSG College Of Arts and Science");
public virtual void deptName() {
Console.WriteLine("Dept Name");
class computerScience : college
public override void deptName()
Console.WriteLine("Computer science department");
public override void deptName()
Console.WriteLine("Commerce department rules here");
public static void Main()
obj= new computerScience();
Console.WriteLine("--------------------------------");