import java.awt.*;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

public class FirstGridLayout {
    public static void main(String[] args) {

            Frame windows=new Frame("表格布局");
            Button btn1=new Button("1");
            Button btn2=new Button("2");
            Button btn3=new Button("3");
            Button btn4=new Button("4");
            Button btn5=new Button("5");
            Button btn6=new Button("6");

            windows.setLayout(new GridLayout(2,3));
            windows.setVisible(true);
            windows.setBounds(200,200,350,350);
            windows.setBackground(Color.blue);

            windows.add(btn1);
            windows.add(btn2);
            windows.add(btn3);
            windows.add(btn4);
            windows.add(btn5);
            windows.add(btn6);

            windows.addWindowListener(new WindowAdapter() {
                @Override
                public void windowClosing(WindowEvent e) {
                    System.exit(0);
                }
            });

    }
}