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求助~if-else if问题

九月的栩 2022-04-25 阅读 103
java

import java.util.Scanner;

class test2{

        public static void main(String[] args){

                System.out.println("请输入您爱宠的年龄:");

                Scanner sc1 =new Scanner(System.in);

                int dogAge = sc1.nextInt();

                        if(dogAge > 0 && dogAge <= 2);{

                        double realAge = 10.5 * dogAge;

                        System.out.println("狗狗的实际年龄"+realAge);}

                        else if(dogAge > 2);{

                        double realAge = 10.5 * 2 + (4 * (dogAge - 2));

                        System.out.println("狗狗的实际年龄"+realAge);}

                        else if(dogAge > 30 || dogAge < 0);{

                        System.out.println("您输入的年龄有误");}

}

}

 终端提示

test2.java:10: 错误: 有 'if', 但是没有 'else'

        else if(dogAge > 2);{

        ^

test2.java:13: 错误: 有 'if', 但是没有 'else'

        else if(dogAge > 30 || dogAge < 0);{

        ^

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