commit 9fcce0f638e545a7c20418790d99551610ab1f43 Author: YiBo <1322450307@qq.com> Date: Thu Aug 6 17:36:44 2020 +0800 c.java diff --git a/Desktop/car/c.java b/Desktop/car/c.java new file mode 100644 index 0000000..881fb86 --- /dev/null +++ b/Desktop/car/c.java @@ -0,0 +1,26 @@ +import java.util.Scanner; +public class CALC{ + public static void main(String args[]) { + double x; + double y; + String z; + Scanner sc=new Scanner(System.in); + System.out.println("输入第一个数"); + x=sc.nextDouble(); + System.out.println("输入运算符"); + z=sc.next(); + System.out.println("输入第二个数"); + y=sc.nextDouble(); + System.out.print("结果是:"); + switch(z) { + case"+":System.out.println(x+y); + break; + case"-":System.out.println(x-y); + break; + case"*":System.out.println(x*y); + break; + case"/":System.out.println(x/y); + break; + } + } +} \ No newline at end of file