inner class

//on Inner class

import java.io.*;

class BankAct

{

private double bal;

BankAct(double b)

{

bal=b;

}

void start(double r)

{

Intrest in=new Intrest(r);

in.calintrest(); //calling Inner class method

}

private class Intrest

{

private double rate;

Intrest(double r)

{

rate=r;

}

void calintrest()

{

double intrest=bal*rate/100;

System.out.println("Intrest--"+intrest);

bal+=intrest;

System.out.println("Bal=----"+bal);

}

}

}

class Innerclass

{

public static void main(String[] args) throws IOException

{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

System.out.println("enter balance");

int b=Integer.parseInt(br.readLine());

BankAct account=new BankAct(b);

System.out.println("enter intrest");

int i=Integer.parseInt(br.readLine());

account.start(i);

}

}