newcrisis.java

里面包含了多个java的编程示例！而且举出初学者常常遇到的错误！

import java.awt.*;
import javax.swing.*;

public class NewCrisis extends JFrame {
    JButton panicButton = new JButton("Panic");
    JButton dontPanicButton = new JButton("Don't Panic");
    JButton blameButton = new JButton("Blame Others");
    JButton mediaButton = new JButton("Notify the Media");
    JButton saveButton = new JButton("Save Yourself");

    public NewCrisis() {
        super("Crisis");
        setSize(308, 168);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        JPanel top = new JPanel();
        JPanel bottom = new JPanel();
        FlowLayout flo = new FlowLayout();
        BorderLayout bord = new BorderLayout();
        setLayout(flo);
        top.setLayout(flo);
        bottom.setLayout(bord);
        top.add(panicButton);
        top.add(dontPanicButton);
        add(top);
        bottom.add(blameButton, BorderLayout.NORTH);
        bottom.add(mediaButton, BorderLayout.CENTER);
        bottom.add(saveButton, BorderLayout.SOUTH);
        add(bottom);
        setVisible(true);
    }

    public static void main(String[] arguments) {
        NewCrisis cr = new NewCrisis();
    }
}