Java Swing calculator

From , 4 Years ago, written in Java, viewed 214 times.

import java.awt.*;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
 
public class CalFrame extends Frame {
  //http://www.2cto.com/kf/201405/298165.html
    public void launchFrame() {
        this.setTitle("test");
        this.setBounds(20, 20, 300, 450);
        this.setMaximumSize(null);
        this.setVisible(true);
        this.setResizable(false);
        this.addWindowListener(new WindowAdapter() {
 
            @Override
            public void windowClosing(WindowEvent e) {
                System.exit(0);
            }
        });
 
        MenuBar menu = new MenuBar();
        Menu file = new Menu("File");
        Menu edit = new Menu("Edit");
        Menu source = new Menu("Source");
        Menu refa = new Menu("Refactor");
        menu.add(file);
        menu.add(edit);
        menu.add(source);
        menu.add(refa);
        this.setMenuBar(menu);
 
        Panel p = new Panel();
        p.setLayout(new BorderLayout(5, 5));
        p.setBackground(Color.LIGHT_GRAY);
        this.add(p);
 
        TextArea t = new TextArea("0", 2, 1, TextArea.SCROLLBARS_NONE);
        t.setBounds(new Rectangle(280, 40));
        t.setComponentOrientation(ComponentOrientation.RIGHT_TO_LEFT);
        t.setEditable(false);
        System.out.println(t.getWidth() + "----" + t.getHeight());
        p.add(t, BorderLayout.NORTH);
 
        Panel sub = new Panel();
        sub.setBackground(Color.GRAY);
        sub.setBounds(new Rectangle(280, (p.getHeight() - t.getHeight())));
        p.add(sub, BorderLayout.CENTER);
        sub.setLayout(new GridLayout(6, 5, 5, 5));
     
        for (int i = 0; i < 5; i++) {
            for (int j = 0; j < 6; j++) {
                Button b = new Button("i");
                int width = sub.getWidth() / 5;
                int height = sub.getHeight() / 6;
                b.setSize(width, height);
                b.setBackground(Color.LIGHT_GRAY);
                sub.add(b);     
            }
        }
         
 
    }
 
    public static void main(String[] args) {
        new CalFrame().launchFrame();
    }
 
}

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import java.awt.*;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
 
public class CalFrame extends Frame {
  //http://www.2cto.com/kf/201405/298165.html
    public void launchFrame() {
        this.setTitle("test");
        this.setBounds(20, 20, 300, 450);
        this.setMaximumSize(null);
        this.setVisible(true);
        this.setResizable(false);
        this.addWindowListener(new WindowAdapter() {
 
            @Override
            public void windowClosing(WindowEvent e) {
                System.exit(0);
            }
        });
 
        MenuBar menu = new MenuBar();
        Menu file = new Menu("File");
        Menu edit = new Menu("Edit");
        Menu source = new Menu("Source");
        Menu refa = new Menu("Refactor");
        menu.add(file);
        menu.add(edit);
        menu.add(source);
        menu.add(refa);
        this.setMenuBar(menu);
 
        Panel p = new Panel();
        p.setLayout(new BorderLayout(5, 5));
        p.setBackground(Color.LIGHT_GRAY);
        this.add(p);
 
        TextArea t = new TextArea("0", 2, 1, TextArea.SCROLLBARS_NONE);
        t.setBounds(new Rectangle(280, 40));
        t.setComponentOrientation(ComponentOrientation.RIGHT_TO_LEFT);
        t.setEditable(false);
        System.out.println(t.getWidth() + "----" + t.getHeight());
        p.add(t, BorderLayout.NORTH);
 
        Panel sub = new Panel();
        sub.setBackground(Color.GRAY);
        sub.setBounds(new Rectangle(280, (p.getHeight() - t.getHeight())));
        p.add(sub, BorderLayout.CENTER);
        sub.setLayout(new GridLayout(6, 5, 5, 5));
     
        for (int i = 0; i < 5; i++) {
            for (int j = 0; j < 6; j++) {
                Button b = new Button("i");
                int width = sub.getWidth() / 5;
                int height = sub.getHeight() / 6;
                b.setSize(width, height);
                b.setBackground(Color.LIGHT_GRAY);
                sub.add(b);     
            }
        }
         
 
    }
 
    public static void main(String[] args) {
        new CalFrame().launchFrame();
    }
 
}

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Java Swing calculator

Reply to "Java Swing calculator"