Divyansh_Dangwal_023.txt

Q1:

package fhdkjfdskfj;

abstract class Account
{
	public abstract void calcInt();
}

class Saving extends Account
{

	public void calcInt()
	{
		System.out.println("inside savings");
	}
	
}


class Current extends Account
{

	public void calcInt()
	{
		System.out.println("inside current");
	}
	
}

class RD extends Account
{
	public void calcInt()
	{
		System.out.println("inside RD");
	}
}

public class AcDemo 
{
	static void perform(Account ref)
	{
		ref.calcInt();
	}
	

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Saving sv= new Saving();

		if(sv instanceof Saving)
		{
		perform(sv);
		}

}

}





Q2:

package fhdkjfdskfj;

public class q2
{
	
public static void main(String [] args)
{

	for(int i=1; i<5; i++)
	{
		int a=1;
		for(int j=1;j<=i;j++)
		{
			System.out.print(a);
			a++;
		}
		System.out.println();
	}
	
}
	
	
}