
代码如下:
import java.util.Scanner; public class Demo { ?? ?public static void main(String[] args) { ?? ??? ?System.out.println("==计算矩形的面积=="); ?? ??? ?System.out.println("请输入长:"); ?? ??? ?Scanner sc=new Scanner(System.in); ?? ??? ?float a=sc.nextFloat(); ?? ??? ?System.out.println("请输入宽:"); ?? ??? ?//Scanner scb=new Scanner(System.in); ?? ??? ?float b=sc.nextFloat(); ?? ??? ?System.out.print("矩形面积为:"); ?? ??? ?System.out.println(getArea(a,b)); ?? ?} ?? ?public static float getArea(float width,float height){ ?? ??? ?float area=0; ?? ??? ?area=width*height; ?? ??? ?return area; ?? ?} }
(编辑:北几岛)
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