java GUI界面初步入门示例【AWT包】

import java.awt.*;
public class TestGui {
    public static void main(String[] args) {
        Frame f = new Frame("My Frame") ;
        f.setBounds(30, 30, 300, 300);
        f.setBackground(Color.blue);
        f.setResizable(true);
        f.setVisible(true);
    }
}

import java.awt.Color;
import java.awt.Frame;
public class TestFrame2 {
    public static void main(String[] args) throws Exception{
        new MyFrame1(100,100,200,200,Color.BLUE);
        new MyFrame1(100,300,200,200,Color.CYAN);
        new MyFrame1(300,100,200,200,Color.gray);
        new MyFrame1(300,300,200,200,Color.MAGENTA);
    }
}
class MyFrame1 extends Frame{
    static int d = 0;
    MyFrame1(int x,int y,int w,int z,Color c){
        super("MyFrame " + ++d);
//        setTitle("MyFrame " + ++d);
        setBounds(x,y,w,z);
        setBackground(c);
        setResizable(true);
        setVisible(true);
    }
}

import java.awt.*;
public class TestPanel {
    public static void main(String[] args) {
        Frame f1 = new Frame("MyFrame 1");
        Panel p1 = new Panel();
        f1.setBounds(300, 300, 600, 600);
        f1.setBackground(Color.blue);
        f1.setLayout(null);
        p1.setBounds(100, 100, 200, 200);
        p1.setBackground(Color.DARK_GRAY);
        f1.add(p1);
        f1.setResizable(true);
        p1.setVisible(true);
        f1.setVisible(true);
    }
}

import java.awt.*;
public class TestPanel2 {
    public static void main(String[] args) {
        new MyFrame4("MyFrame H",300,300,400,400);
    }
}
class MyFrame4 extends Frame{
//    private Penal p1,p2,p3,p4; 
    MyFrame4(String s, int x,int y,int w,int h){
        super(s);
        setBounds(x,y,w,h);
        setBackground(Color.BLUE);
        setLayout(null);
        setResizable(true);
        setVisible(true);
        Panel p1 = new Panel(null); Panel p2 = new Panel(null);
        Panel p3 = new Panel(null); Panel p4 = new Panel(null);
        p1.setBounds(0, 0, w/2, h/2); p3.setBounds(w/2, 0, w/2, h/2);
        p2.setBounds(0, h/2, w/2, h/2); p4.setBounds(w/2, h/2,w/2, h/2);
        add(p1); add(p2); add(p3); add(p4);
        p1.setBackground(Color.CYAN);
        p2.setBackground(Color.GRAY);
        p3.setBackground(Color.GREEN);
        p4.setBackground(Color.RED);
        p1.setVisible(true);
        p2.setVisible(true);
        p3.setVisible(true);
        p4.setVisible(true);
    }
}