circumferencetester.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 CircumferenceTester {
    public static void main(String args[]) {
        Circle c1 = new Circle();
        c1.radius = 50;
        Circle c2 = new Circle();
        c2.radius = 10;
        double circum1 = c1.circumference();
        double circum2 = c2.circumference();
        System.out.println("Circle 1 has circumference " + circum1);
        System.out.println("Circle 2 has circumference " + circum2);
     }
}