控制台程序. 网格布局管理器可以在容器的矩形网格中布局组件. import javax.swing.*; import java.awt.*; import javax.swing.border.EtchedBorder; public class TryGridLayout { public static void createWindow(){ JFrame aWindow = new JFrame("This is the Window Title"); Toolkit theK…
public class GirdLayoutPosition extends JFrame{ public GirdLayoutPosition() { Container c=getContentPane();//一定要这样表示; setLayout(new GridLayout(7, 3, 5, 5)); for (int i = 0; i < 20; i++) { c.add(new JButton("Bu…
网格布局管理器: GridLayoutDemo.java: import java.awt.GridLayout;import javax.swing.JButton;import javax.swing.JFrame; public class GridLayoutDemo extends JFrame{ JButton[] jbtn={null,null,null,null,null,null,null,null};//要为null不然有异常 public GridLayoutD…