From 91d255454845abb7c0974cacd78516efae34e730 Mon Sep 17 00:00:00 2001 From: YiBo <1322450307@qq.com> Date: Thu, 6 Aug 2020 21:56:33 +0800 Subject: [PATCH] first commit --- c.java | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 c.java diff --git a/c.java b/c.java new file mode 100644 index 0000000..881fb86 --- /dev/null +++ b/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