shapetester4.java

Java与面向对象程序设计实验教学讲义.复数类的实现,复数类的复杂运算,身份证号码的分析,图形界面设计

public class ShapeTester4 {
    public static void main(String args[]) {
     Circle   x;
     Rectangle y, z;
     x = new Circle();
     y = new Rectangle();
     z = new Rectangle();
     x.radius = 50;
     z.width = 68.94;
     z.height = 47.54;
     System.out.println(x.radius + " " + y.width + " " + z.width);
   }
}