Savitribai Phule Pune University T.Y.B.B.A.(C.A.) Core Java Practical Slip 12 Answers

 

Slip 12 A) Write a java program to display each String in reverse order from a String array.

Answer :

class Slip12A{

    public static void main(String args[]){

            String arr[] = {"swarup", "Sayali", "Mahesh"};

            for(int i=arr.length-1; i>=0; i--){

                System.out.print(arr[i] + ' ');

            }

    }

}

Output :

Slip 12 B) Write a java program to display multiplication table of a given number into the List box by clicking on button.

Answer :

import java.applet.*;

import java.awt.*;

import java.awt.event.*;

 

 

public class Slip12B extends Applet implements ActionListener{

 

    Button b1 = new Button("Show");

    List Multi = new List();

    String str ="";

    public void init(){

        Multi.add("1");

        Multi.add("2");

        Multi.add("3");

        Multi.add("4");

        Multi.add("5");

        Multi.add("6");

        Multi.add("7");

        Multi.add("8");

        Multi.add("9");

        Multi.add("10");

        add(Multi);

        add(b1);

        b1.addActionListener(this);

    }

    public void paint(Graphics g){

 

        int count = 100; 

        int num = Integer.parseInt(Multi.getSelectedItem());

        for(int i=1;i<=10;i++){

            int a = num*i;

            g.drawString(i  +" * " + i +" = "+ a,100,count);

            count = count+20;

           }

    }

    public void actionPerformed(ActionEvent e){

        repaint();

    }

}

 

 

/*

<applet code="Slip12B.class" width="300" height="300">

</applet>

*/

Output :