无法从我的Tester类访问画布类中的paint(Graphics g)方法

import java.awt.Canvas;
import java.awt.Graphics;

class MyCanvas extends Canvas {
    @Override
    public void paint(Graphics g) {
        // 在这里进行绘制操作
    }
}

public class Tester {
    public static void main(String[] args) {
        MyCanvas canvas = new MyCanvas();
        canvas.paint(canvas.getGraphics());
    }
}

import java.awt.Canvas;
import java.awt.Graphics;

public class Tester {
    public static void main(String[] args) {
        Canvas canvas = new Canvas();
        Graphics g = canvas.getGraphics();
        // 在这里使用Graphics对象进行绘制操作
    }
}