java_lab/javalab25.java at main · aryanexcited/java_lab · GitHub

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import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.security.PrivateKey;

import javax.swing.*;
import java.util.Scanner;

class myCalculator extends JFrame implements ActionListener{
    private JTextField t1;
    private JTextField t2;
    private JTextField t3;
    private JButton b1;
    private JButton b2;
    private JButton b3;
    private JButton b4;
    private JButton b5;
    private JButton b6;

    public myCalculator(){
        createView();

        setTitle("Vowel COunter");
        setDefaultCloseOperation(EXIT_ON_CLOSE);
        setSize(400, 400);
        setLocationRelativeTo(null);
        setResizable(true);
        setVisible(true);
    }
    private void createView(){
        JPanel panel = new JPanel();
        getContentPane().add(panel);
        panel.setLayout(new GridLayout(6,1,5,5));
        JLabel l1 = new JLabel("Number 1: ");
        t1 = new JTextField(100);
        JLabel l2 = new JLabel("Number 2: ");
        t2 = new JTextField(100);
        JLabel l3 = new JLabel("Result: ");
        t3 = new JTextField(100);
        b1 = new JButton("+");
        b2 = new JButton("-");
        b3 = new JButton("*");
        b4 = new JButton("/");
        b5 = new JButton("Reset");
        b6 = new JButton("Exit");

        b1.addActionListener(this);
        b2.addActionListener(this);
        b3.addActionListener(this);
        b4.addActionListener(this);
        b5.addActionListener(this);
        b6.addActionListener(this);
        panel.add(l1);
        panel.add(t1);
        panel.add(l2);
        panel.add(t2);
        panel.add(l3);
        panel.add(t3);
        panel.add(b1);
        panel.add(b2);
        panel.add(b3);
        panel.add(b4);
        panel.add(b5);
        panel.add(b6);
    }
    public void actionPerformed(ActionEvent ae){
        int n1 = Integer.parseInt(t1.getText());
        int n2 = Integer.parseInt(t2.getText());
        int res;
        if(ae.getSource()==b1){
            res = n1 + n2;
            t3.setText(res + "");
        }
        else if(ae.getSource()==b2){
            res = n1 - n2;
            t3.setText(res + "");
        }
        else if(ae.getSource()==b3){
            res = n1 * n2;
            t3.setText(res + "");
        }
        else if(ae.getSource()==b4){
            t3.setText((double)(n1/n2) + "");
        }
        else if(ae.getSource()==b5){
            t1.setText("");
            t2.setText("");
            t3.setText("");
            t1.requestFocus();
        }
        else if(ae.getSource()==b6){
            System.exit(0);
        }
    }
}

public class javalab25 {
    public static void main(String[] args) {
        myCalculator ob  = new myCalculator();
    }
}