gridlayoutuse.java

JAVA编程思想源代码 值得一下 很难找的

package chapter11;

import java.awt.Button;
import java.awt.Frame;
import java.awt.GridLayout;
import java.awt.Panel;

public class GridLayoutUse extends Frame {

	Button b0, b1, b2, b3, b4, b5, b6, b7, b8, b9, ba, bm, bd, be, bp;

	Panel p1;

	public GridLayoutUse() {
		super("GridLayoutUse");
		p1 = new Panel();
		p1.setLayout(new GridLayout(4, 4, 3, 3));
		b7 = new Button("7");
		p1.add(b7);
		b8 = new Button("8");
		p1.add(b8);
		b9 = new Button("9");
		p1.add(b9);
		bd = new Button("/");
		p1.add(bd);
		b4 = new Button("4");
		p1.add(b4);
		b5 = new Button("5");
		p1.add(b5);
		b6 = new Button("6");
		p1.add(b6);
		bp = new Button("*");
		p1.add(bp);
		b1 = new Button("1");
		p1.add(b1);
		b2 = new Button("2");
		p1.add(b2);
		b3 = new Button("3");
		p1.add(b3);
		bm = new Button("-");
		p1.add(bm);
		b0 = new Button("0");
		p1.add(b0);
		ba = new Button("+");
		p1.add(ba);
		be = new Button("=");
		p1.add(be);
		this.add("Center", p1);
		this.setSize(200, 200);
		this.setVisible(true);
		
	}

	public static void main(String args[]) {
		GridLayoutUse gl = new GridLayoutUse();
	}
}