Calculator

Padmini/Calculator

@@ -0,0 +1,79 @@
+import java.awt.*;
+import java.awt.event.*;
+class Calculator 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("Add");
+ Button b2 = new Button("Sub");
+ Button b3 = new Button("Mul");
+ Button b4 = new Button("Div");
+ Button b5 = new Button("Cancel");
+ Calculator()
+ {
+ l1.setBounds(50,100,100,20);
+ l2.setBounds(50,140,100,20);
+ l3.setBounds(50,180,100,20);
+ t1.setBounds(200,100,150,20);
+ t2.setBounds(200,140,150,20);
+ t3.setBounds(200,180,150,20);
+ b1.setBounds(50,250,70,20);
+ b2.setBounds(110,250,70,20);
+ b3.setBounds(170,250,70,20);
+ b4.setBounds(230,250,70,20);
+ b5.setBounds(290,250,70,20);
+ 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);
+ b1.addActionListener(this);
+ b2.addActionListener(this);
+ b3.addActionListener(this);
+ b4.addActionListener(this);
+ b5.addActionListener(this);
+ f.setLayout(null);
+ f.setVisible(true);
+ f.setSize(400,350);
+}
+public void actionPerformed(ActionEvent e)
+{
+ int n1 = Integer.parseInt(t1.getText());
+ int n2 = Integer.parseInt(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)
+ {
+  System.exit(0);
+ }
+}
+public static void main(String [] args)
+{
+  new Calculator();
+ }
+}