选手机网站,济南优化网站方法,wordpress自定义字段类型,山东泰山队深圳队代码能运行成功但东西出不来能帮忙看下代码吗#xff1f;.O_O.importjava.awt.Color;importjava.awt.Graphics2D;importjavax.swing.JComponent;importjavax.swing.JFrame;importjava.awt.geom....代码 能运行成功 但东西出不来 能帮忙看下代码吗#xff1f;.O_O.import java…代码能运行成功但东西出不来能帮忙看下代码吗.O_O.importjava.awt.Color;importjava.awt.Graphics2D;importjavax.swing.JComponent;importjavax.swing.JFrame;importjava.awt.geom....代码 能运行成功 但东西出不来 能帮忙看下代码吗.O_O.import java.awt.Color;import java.awt.Graphics2D;import javax.swing.JComponent;import javax.swing.JFrame;import java.awt.geom.Ellipse2D;import javax.swing.JComponent;import java.awt.Graphics;class circleComponent extends JComponent{public void drawComponent(Graphics g){Graphics2D g2(Graphics2D) g;Ellipse2D.Double ellipsenew Ellipse2D.Double(100,100,100,100);g2.setColor(Color.PINK);g2.draw(ellipse);g2.fill(ellipse);Ellipse2D.Double ellipse2new Ellipse2D.Double(150,150,50,50);g2.setColor(Color.WHITE);g2.draw(ellipse2);g2.fill(ellipse2);}}class ab{public static void main(String args []){JFrame framenew JFrame();final int FRAME_WIDTH300;final int FRAME_HEIGHT300;frame.setSize(FRAME_WIDTH,FRAME_HEIGHT);frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);circleComponent componentnew circleComponent();frame.add(component);frame.setVisible(true);}}那我要怎么改啊展开
