JTable(Object[][] rowDate,Object[] columnNames)

public class ExampleFrame_01 extends JFrame{
 public static void main(String[] args) {
  ExampleFrame_01 frame = new ExampleFrame_01();
  frame.setVisible(true);
 }
 public ExampleFrame_01() {
  super();
  setTitle("创建可以滚动的表格");
  setBounds(100,100,240,150);
  setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  String[] columnNames = {"A","B"};    //定义表格列明数组
  //定义表格数据数组
  String[][] tableValues = {{"A1","B1"},{"A2","B2"},{"A3","B3"},
    {"A4","B4"},{"A5","B5"},{"A5","B5"},{"A5","B5"},{"A5","B5"},
    {"A5","B5"},{"A5","B5"},{"A5","B5"},{"A5","B5"},{"A5","B5"},
    {"A5","B5"},{"A5","B5"}};
  //创建指定列明和数据的表格
  JTable table = new JTable(tableValues,columnNames);
  //创建显示表格的滚动面板
  JScrollPane scrollPane = new JScrollPane(table);
  //将滚动面板添加到边界布局的中间
  getContentPane().add(scrollPane, BorderLayout.CENTER);
 }
 
}

JTable(Vector rowData.Vector columnNames)

public class ExampleFrame_02 extends JFrame{
 public static void main(String[] args) {
   ExampleFrame_02 frame = new ExampleFrame_02();
   frame.setVisible(true);
 }
 public ExampleFrame_02() {
  super();
  setTitle("创建不可滚动的表格");
  setBounds(100,100,240,150);
  setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  Vector<String>columnNameV = new Vector<>();
  columnNameV.add("A");
  columnNameV.add("B");
  Vector<Vector<String>>tableValueV = new Vector<>();
  for(int row = 1;row<6;row++) {
   Vector<String>rowV = new Vector<>();
   rowV.add("A"+row);
   rowV.add("B"+row);
   tableValueV.add(rowV);
  }
  //创建指定表格列名和表格数据的表格
  JTable table = new JTable(tableValueV,columnNameV);
  //将表格添加到边界布局的中间
  getContentPane().add(table,BorderLayout.CENTER);
  JTableHeader tableHeader = table.getTableHeader();
  getContentPane().add(tableHeader,BorderLayout.NORTH);
 }
 
}