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java_notepad.java
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56 lines (52 loc) · 1.45 KB
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import javax.swing.*;
import java.awt.event.*;
public class java_notepad implements ActionListener {
JFrame f;
JMenuBar mb;
JMenu file, edit, help;
JMenuItem cut, copy, paste, selectAll;
JTextArea ta;
java_notepad() {
f = new JFrame();
cut = new JMenuItem("cut");
copy = new JMenuItem("copy");
paste = new JMenuItem("paste");
selectAll = new JMenuItem("selectAll");
cut.addActionListener(this);
copy.addActionListener(this);
paste.addActionListener(this);
selectAll.addActionListener(this);
mb = new JMenuBar();
file = new JMenu("File");
edit = new JMenu("Edit");
help = new JMenu("Help");
edit.add(cut);
edit.add(copy);
edit.add(paste);
edit.add(selectAll);
mb.add(file);
mb.add(edit);
mb.add(help);
ta = new JTextArea();
ta.setBounds(5, 5, 360, 320);
f.add(mb);
f.add(ta);
f.setJMenuBar(mb);
f.setLayout(null);
f.setSize(400, 400);
f.setVisible(true);
}
public void actionPerformed(ActionEvent e) {
if (e.getSource() == cut)
ta.cut();
if (e.getSource() == paste)
ta.paste();
if (e.getSource() == copy)
ta.copy();
if (e.getSource() == selectAll)
ta.selectAll();
}
public static void main(String[] args) {
new java_notepad();
}
}