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Mycalculator.java
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96 lines (77 loc) · 2.58 KB
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import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
class Mycalculator implements ActionListener {
Frame f = new Frame();
Label l1 = new Label("FIRST NUMBER");
Label l2 = new Label("SECOND NUMBER");
Label l3 = new Label("RESULT");
TextField t1 = new TextField();
TextField t2 = new TextField();
TextField t3 = new TextField();
Button b1=new Button("+");
Button b2=new Button("-");
Button b3=new Button("*");
Button b4=new Button("/");
Button b5=new Button("%");
Button b6=new Button("exp");
Button b7=new Button("C");
Button clear = new Button("EXIT");
Mycalculator() {
l1.setBounds(50,100,100,20);
l2.setBounds(50,140,115,20);
l3.setBounds(50,180,100,20);
t1.setBounds(200,100,80,20);
t2.setBounds(200,140,80,20);
t3.setBounds(200,180,80,20);
b1.setBounds(50,220,50,20);
b2.setBounds(110,220,50,20);
b3.setBounds(170,220,50,20);
b4.setBounds(230,220,50,20);
b5.setBounds(50,260,50,20);
b6.setBounds(110,260,50,20);
b7.setBounds(170,260,50,20);
clear.setBounds(230,260,50,20);
f.add(l1); f.add(l2); f.add(l3);
f.add(t1); f.add(t2); f.add(t3);
f.add(b1); f.add(b2); f.add(b3); f.add(b4); f.add(b5); f.add(b6); f.add(b7); f.add(clear);
b1.addActionListener(this);
b2.addActionListener(this);
b3.addActionListener(this);
b4.addActionListener(this);
b5.addActionListener(this);
b6.addActionListener(this);
b7.addActionListener(this);
clear.addActionListener(this);
f.setLayout(null);
f.setVisible(true);
f.setSize(500,500);
}
public void actionPerformed( ActionEvent e) {
float n1 = Float.parseFloat(t1.getText());
float n2 = Float.parseFloat(t2.getText());
if(e.getSource()==b1)
t3.setText(String.valueOf(n1+n2));
if(e.getSource()==b2)
t3.setText(String.valueOf(n1-n2));
if(e.getSource()==b3)
t3.setText(String.valueOf(n1*n2));
if(e.getSource()==b4)
t3.setText(String.valueOf(n1/n2));
if(e.getSource()==b5)
t3.setText(String.valueOf(n1%n2));
if(e.getSource()==b6)
t3.setText(String.valueOf(Math.pow(n1,n2)));
if(e.getSource()==b7){
t1.setText("");
t2.setText("");
t3.setText("");
}
if(e.getSource()==clear){
System.exit(0);
}
}
public static void main(String[] args) {
new Mycalculator();
}
}