JAVA编写一个名为Shape的接口类型?
JAVA编写一个名为Shape的接口类型?
日期:2020-04-12 00:28:29 人气:1
public class Circle implements Shape{public static void main(String[] args) {Circle circle = new Circle();float r = 5; //半径System.out.println("圆面积:" + circle.getArea(r));System.out.println("圆周长:" + circle.getCircumference(r));}