java画同心圆

java画同心圆

满意答案

dsikw92011

推荐于 2017.09.16

采纳率：41%    等级：9

已帮助：664人

*********************MultiCircle.java************************

import java.awt.*;

import java.awt.image.*;

import javax.swing.*;

public class MultiCircle extends JPanel {

private BufferedImage bi = new BufferedImage(320, 240,

BufferedImage.TYPE_INT_BGR);

public MultiCircle() {

setPreferredSize(new Dimension(320, 240));

}

public void paintComponent(Graphics g) {

int radius = 50;

g.d);

for (int i = 1; i <= 5; i++) {

g.drawOval(150 - (radius + 10 * i), 150 - (radius + 10 * i),

(radius + 10 * i) * 2, (radius + 10 * i) * 2);

}

}

public static void main(String[] args) {

JFrame frame = new JFrame("MultiCircle");

frame.add(new MultiCircle());

frame.pack();

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

frame.setVisible(true);

}

}

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