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23 lines
655 B
23 lines
655 B
package guangzhaowei;
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import java.util.Scanner;
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public class Easy {
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public static void c(){
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Scanner sc=new Scanner(System.in);
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System.out.println("请输入第一个数字:");
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double x=sc.nextDouble();
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System.out.println("请输入第二个数字");
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double y=sc.nextDouble();
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System.out.println("请选择相应的数字来进行相应的运算(1:加法 2:减法 3:乘法 4:除法)");
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int c=sc.nextInt();
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double d=0;
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switch(c) {
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case 1:d=x+y;System.out.println("运算结果是 "+d);break;
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case 2:d=x-y;System.out.println("运算结果是 "+d);break;
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case 3:d=x*y;System.out.println("运算结果是 "+d);break;
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case 4:d=x/y;System.out.println("运算结果是 "+d);break;
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}
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}
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}
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