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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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