Write a menu driven program to perform the operations on a set of integers. The Load operation should generate 50 random integers (2 digits) .

 

Write a menu driven program to perform the following operations on a set of integers. The Load operation should generate 50 random integers (2 digits) and display the numbers on the screen. The save operation should save the numbers to a file “numbers.txt”. The Compute menu provides various operations and the result is displayed in a message box. The Search operation accepts a number from the user in an input dialog and displays the search result in a message dialog. The sort operation sorts the numbers and displays the sorted data on the screen.

Slip2Prog1 .java

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

import java.math.*;

import java.io.*;

import java.util.*;

class Slip2Prog1 extends JFrame implements ActionListener

{

JMenuBar mbar;

JMenu File,sort;

JMenuItem load,save,exit;

JMenuItem asc,dsc;

JTextField tf;

int ch;

int arr[];

Slip2Prog1()

{

arr = new int[10];

setLayout(new BorderLayout());

mbar=new JMenuBar();

File=new JMenu("File");

tf = new JTextField(50);

File.add(load);

mbar.add(sort);

setJMenuBar(mbar);

add(tf,BorderLayout.SOUTH);

setSize(500,500);

setVisible(true);

setDefaultCloseFile(EXIT_ON_CLOSE);

load.addActionListener(this);

}

public void actionPerformed(ActionEvent e)

{

if(e.getActionCommand().equals("Load"))

{

tf.setText("");

Random random = new Random();

for(int i=0;i<n;i++)

arr[i] = random.nextInt(100) + 1;

for(int i=0;i<n;i++)

tf.setText(tf.getText()+","+arr[i]);

}

if(e.getActionCommand().equals("Save"))

{

try{

BufferedWriter outputWriter = new BufferedWriter(new FileWriter("numbers.txt"));

for(int i=0;i<50;i++)

outputWriter.write(arr[i]+",");

outputWriter.close();

}

catch(Exception e)

{

e.printStackTrace();

}

}

if(e.getActionCommand().equals("Exit"))

{

dispose();

}

if(e.getActionCommand().equals("Ascending"))

{

int temp;

for(int i=0;i<n;i++)

for(int j=i+1;j<n;j++)

{

if(arr[j] > arr[j+1])

{

temp=arr[j];

arr[j]=arr[j+1];

arr[j+1]=temp;

}

}

tf.setText("");

for(int i=0;i<n;i++)

tf.setText(tf.getText()+","+arr[i]);

}

if(e.getActionCommand().equals("Descending"))

{

int temp;

for(int i=0;i<n;i++)

{

for(int j=0;j<n-1;j++)

{

if(arr[j] < arr[j+1])

{

temp=arr[j];

arr[j]=arr[j+1];

arr[j+1]=temp;

}

}

}

tf.setText("");

for(int i=0;i<n;i++)

tf.setText(tf.getText()+","+arr[i]);

}

}

public static void main(String args[])

{

new Slip2Prog1();

}

}