java jtable 获取内容_Java Swing - 如何获取JTable中最后一个单元格的值

import java.awt.FlowLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JTable;

public class Main extends JFrame implements ActionListener {

JTable table;

JButton button;

public Main() {

String[] colNames = { "Subject", "Value" };

String[][] rowDatas = { { "Java", "Jon" },

{ "C++", "Hard" }, { "Math", "Mike" },

{ "Database", "Sql" } };

table = new JTable(rowDatas, colNames);

button = new JButton("Show Last Record");

button.addActionListener(this);

this.add(table);

this.add(button);

this.setVisible(true);

this.setSize(300, 200);

this.setDefaultCloseOperation(3);

this.setLayout(new FlowLayout());

}

@Override

public void actionPerformed(ActionEvent e) {

int i = table.getRowCount() - 1;

int j = table.getColumnCount();

Object[] value = new Object[j];

for (int k = 0; k < j; k++) {

value[k] = table.getValueAt(i, k);

System.out.println(table.getValueAt(i, k));

}

}

public static void main(String... ag) {

new Main();

}

}