class Calculation extends Exception
{
public Calculation()
{
System.out.println("Calculation class is instantiated");
}
public void add(int a, int b)
{
System.out.println("The sum is "+(a+b));
}
}
public class Main{
public static void main(String []args){
try
{
throw new Calculation();
}
catch(Calculation c){
c.add(10,20);
}
}
}
Output
Calculation class is instantiated
The sum is 30
Explanation