java修改jtable内容,Java Swing - 如何更改JTable上的单元格内容

import java.awt.BorderLayout;

import java.util.Vector;

import javax.swing.JFrame;

import javax.swing.JScrollPane;

import javax.swing.JTable;

public class Main {

public static void main(String args[]) {

JFrame frame = new JFrame();

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

Vector rowOne = new Vector();

rowOne.addElement("Row1-Column1");

rowOne.addElement("Row1-Column2");

rowOne.addElement("Row1-Column3");

Vector rowTwo = new Vector();

rowTwo.addElement("Row2-Column1");

rowTwo.addElement("Row2-Column2");

rowTwo.addElement("Row2-Column3");

Vector rowData = new Vector();

rowData.addElement(rowOne);

rowData.addElement(rowTwo);

Vector columnNames = new Vector();

columnNames.addElement("Column One");

columnNames.addElement("Column Two");

columnNames.addElement("Column Three");

JTable table = new JTable(rowData, columnNames);

table.setValueAt("aa", 0, 0);

JScrollPane scrollPane = new JScrollPane(table);

frame.add(scrollPane, BorderLayout.CENTER);

frame.setSize(300, 150);

frame.setVisible(true);

}

}