Advanced-java/Calculator1.java at main · Poojax21/Advanced-java · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
import java.awt.*;
import java.awt.event.*;
// import java.awt.event.*;
public class Calculator1 extends Frame implements ActionListener {
    Label L1,L2,L3,L4;
    TextField T1,T2,T3;
    Button B1,B2,B3,B4;


    Calculator1(String title)
    {
        super(title);
        setLayout(null);
        setBackground(Color.pink);
        setForeground(Color.BLUE);
        L1=new Label("Calculator");
        L2=new Label("Enter 1st number:",Label.RIGHT);
        L3=new Label("Enter 2nd number:",Label.RIGHT);
        L4=new Label("Result:",Label.RIGHT);

        T1=new TextField(3);
        T2=new TextField(3);
        T3=new TextField(3);

        B1=new Button("add");
        B2=new Button("sub");
        B3=new Button("mul");
        B4=new Button("div");

        L1.setBounds(200, 100, 200, 50);
        L2.setBounds(200, 150, 200, 50);
        L3.setBounds(200, 200, 200, 50);
        L4.setBounds(200, 250, 200, 50);

        T1.setBounds(450, 150, 200, 50);
        T2.setBounds(450, 200, 200, 50);
        T3.setBounds(450,250, 200, 50);

        B1.setBounds(200, 350, 40, 50);
        B2.setBounds(250, 350, 40, 50);
        B3.setBounds(300, 350, 40, 50);
        B4.setBounds(350, 350, 40, 50);

        B1.addActionListener(this);
        B2.addActionListener(this);
        B3.addActionListener(this);
        B4.addActionListener(this);

        add(L1);
        add(L2);
        add(T1);
        add(L3);
        add(T2);
        add(L4);
        add(T3);
        add(B1);
        add(B2);
        add(B3);
        add(B4);


    }
    public void actionPerformed(ActionEvent ae)
    {
          int a=Integer.parseInt(T1.getText());
          int b=Integer.parseInt(T2.getText());
          int c;
          if(B1==ae.getSource())
          {
            c=a+b;
            T3.setText(c +"");//T3.setText(String.valueOf(c));;
          }
          else if(B2==ae.getSource())
          {
            c=a-b;
            T3.setText(c+"");

          }
          else if(B3==ae.getSource())
          {
            c=a*b;
            T3.setText(c+"");
          }
          else if(B4==ae.getSource())
          {
            c=a/b;
            T3.setText(c+"");
          }


    }
    public static void main(String[] args)
    {

        Calculator1 C=new Calculator1("calc");
        C.setVisible(true);
        C.setSize(700,500);
        // C.setTitle("calc");

    }

}