package codewars; import java.math.BigDecimal; public class Calculator{ public double getTotalArea(Shape shape){ return new BigDecimal(Double.toString(shape.getArea())).setScale(2,BigDecimal.ROUND_HALF_UP).doubleValue(); } public double getTotalArea(Shape... shapes){ double total = 0; for(Shape x : shapes){ total += x.getArea(); } return new BigDecimal(Double.toString(total)).setScale(2,BigDecimal.ROUND_HALF_UP).doubleValue(); } } interface Shape{ public double getArea(); } class Square implements Shape{ private double side; public Square(double side){ this.side = side; } @Override public double getArea(){ return side * side; } } class Rectangle implements Shape{ private double height; private double width; public Rectangle(double height,double width){ this.height = height; this.width = width; } @Override public double getArea(){ return height * width; } } class Circle implements Shape{ private double radius; public Circle(double radius){ this.radius = radius; } @Override public double getArea(){ return Mathi.PI * radius * radius; } } class Triangle implements Shape{ private double base; private double height; public Triangle(double base,double height){ this.base = base; this.height = height; } @Override public double getArea(){ return base * height / 2; } }
原文地址:https://www.jb51.cc/javaschema/283450.html
版权声明:本文内容由互联网用户自发贡献,该文观点与技术仅代表作者本人。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容, 请发送邮件至 dio@foxmail.com 举报,一经查实,本站将立刻删除。