JTable用法

public class table{ public static void main (String[] args) {final Object[] column{};,//列名  Object[][] Data = { };表格内容   JTable friends = new JTable (Data, column);   //这是建表对象  friends.setPreferredScrollableViewportSize(new Dimension(600, 100));//设置表格的大小friends.selectAll ();//选择所有行设指表参数JScrollPane pane1=new JScrollPane (example1);//JTable最好加JScrollPane上剩下是相关逐层设置 JPanel panel = new JPanel (new GridLayout (0, 1));  panel.setPreferredSize (new Dimension (600,400)); panel.add (pane1);  JFrame frame = new JFrame ("JTableDemo");  frame.setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);  frame.setContentPane (panel);//panel设置  frame.pack();  frame.show(); }}