```java

import java.awt.Color;

import java.awt.GraphicsD;

import javax.swing.JFrame;

import javax.swing.JPanel;

public class DrawArc extends JPanel {

@Override

protected void paintComponent(Graphics g) {

super.paintComponent(g);

GraphicsD gd = (GraphicsD) g;

gd.setColor(Color.BLUE);

int x = ;

int y = ;

int width = ;

int height = ;

int startAngle = ;

int arcAngle = ;

gd.drawArc(x, y, width, height, startAngle, arcAngle);

}

public static void main(String[] args) {

JFrame frame = new JFrame("Draw Arc");

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

frame.setSize(, );

frame.add(new DrawArc());

frame.setVisible(true);

}

}

```

這段代碼將創(chuàng)建個(gè)新的Java窗口，在其中畫個(gè)藍(lán)色的弧形。