java例程练习（布局管理器[FlowLayout]）

//FlowLayout,Panel类的默认布局管理器
import java.awt.*;

public class TestLayout {
	public static void main(String[] args) {
		Frame f = new Frame("Flow Layout");
		Button b1 = new Button("OK");
		Button b2 = new Button("Open");
		Button b3 = new Button("Close");


		f.setLayout(new FlowLayout());
		//f.setLayout(new FlowLayout(FlowLayout.LEFT));
		//f.setLayout(new FlowLayout(FlowLayout.LEFT,40,50));

		f.add(b1);
		f.add(b2);
		f.add(b3);
		f.setSize(100, 100);
		f.setVisible(true);

	}

}

//FlowLayout
import java.awt.*;
public class TestFlowLayout2 {

	public static void main(String[] args) {
		Frame f = new Frame("java Frame");
		
		FlowLayout l =
			new FlowLayout(FlowLayout.CENTER, 20, 40);
		f.setLayout(l);
		
		f.setLocation(300, 400);
		f.setSize(300, 200);
		f.setBackground(new Color(204, 204, 255));
		for(int i = 0; i <= 7; i++) {
			f.add(new Button("BUTTON"));
		}
		f.setVisible(true);
	}

}