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来源:4-4 编程练习
慕仙4530950
2020-05-13 16:59:22
//求圆形面积 public double area(double r) { double PI = 3.14; double areas = Math.PI*r*r; return areas; } //求长方形面积 public float area(float a,float b) { return a*b; } public static void main(String[] args) { // TODO Auto-generated method stub AreaDemo areaDemo = new AreaDemo(); double area = areaDemo.area(4.5); System.out.println("圆的面积为:"+area); float rect = areaDemo.area(8, 5); System.out.println("长方形面积为:"+rect); }
1回答
同学你好,程序逻辑结构清晰,非常好!继续加油!
祝学习愉快~
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