JAVA的Jframe图标怎么修改

Question

试了好多种办法图标这两个替换不掉，代码如下

package demo;

import java.awt.BorderLayout;
import java.awt.EventQueue;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import java.awt.Toolkit;

public class test2 extends JFrame {

    private JPanel contentPane;

    /**
     * Launch the application.
     */
    public static void main(String[] args) {
        EventQueue.invokeLater(new Runnable() {
            public void run() {
                try {
                    test2 frame = new test2();
                    frame.setVisible(true);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        });
    }

    /**
     * Create the frame.
     */
    public test2() {
        setIconImage(Toolkit.getDefaultToolkit().getImage("C:\\Users\\yyj\\Desktop\\testPostOrder\\lib\\icon.jpg"));
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setBounds(100, 100, 450, 300);
        contentPane = new JPanel();
        contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
        contentPane.setLayout(new BorderLayout(0, 0));
        setContentPane(contentPane);
    }

}

Answer 1

可以参考下：https://blog.csdn.net/qxhly/article/details/71541248