java GUI表格实例

package javademo;
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
public class table3{
    JFrame frame=new JFrame("表格实例");
    Object [][]date= {{"李明",45,"计算机"},{
        "小王",32,"数学"},{"老高",35,"通讯"},{
            "司机",21,"外语"}
    };
    Object []head= {"姓名","年龄","专业"};
    public void init() {
        
    JTable table=new JTable(date,head);
    JPanel panel=new JPanel(new BorderLayout());
    panel.add(table.getTableHeader(),BorderLayout.NORTH);
    panel.add(table,BorderLayout.CENTER);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setContentPane(panel);
    frame.pack();
    frame.setLocationRelativeTo(null);

    frame.show();
    
    }
    public static void main(String []args) {
        new table3().init();
    }
}

结果：