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);
}

}