package method;
import java.util.Scanner;
public class Demo06 {
public static void main(String[] args) {
Scanner scanner = new Scanner(System .in);
System .out.println("请输入第一个数字");
int a = scanner.nextInt();
System.out.println("请输入运算符");
String opera = scanner.next();
System.out.println("请输入第二个数字");
int c = scanner.nextInt();
switch (opera) {
case "+":
System.out.println("计算的结果为");
System.out.println(a + c);
break;
case "-":
System.out.println("计算的结果为");
System.out.println(a-c);
break;
case "*":
System.out.println("计算的结果为");
System.out.println(a*c);
break;
case "/":
System.out.println("计算的结果为");
System.out.println(a/c);
break;
}
}
}
下一章数组
