java程序设计综合题(程序填空和编程题)附答案

程序设计综合题 (程序填空和编程题) 例：编写一个Java Applet小应用程序，添加三个带颜色的圆，分别为红、黄、绿三种颜色。 答案：import java.applet.*; import java.awt.*; public class Test1_2 extends Applet { public void paint(Graphics g) { g.setColor(Color.red) g.drawRoundRect(10,15,50,50,50,50); g.drawString(“红色圆”,10,15); g.setColor(Color.yellow) g.drawRoundRect(20,20,70,70,70,70); g.drawString(“黄色圆”,20,100); g.setColor(Color.green) g.drawRoundRect(80,100,100,100,100,100); g.drawString(“绿色圆”,80,120); } }