Question

我在学校有这项任务，我必须导入扫描仪并编写方法。我做错了什么？

    public static void main(String[] args)
    {
       applicationDate();

     }
     public static void applicationDate()
     {

        Scanner input = new Scanner(System.in);
        System.out.println("On what day of the month you applied?");

        int day = input.nextInt();

        System.out.println("What is the name of the month in wich you applied?");

        String month = input.nextLine();

        System.out.println("During wich year you applied?");

        int year = input.nextInt();

        System.out.print("Your application date is" + month + " ", + year + "!");

      }

编译东西时出现此错误， EX20.java:27：找不到符号

Answer 1

print只需要一个String参数 - 在String

中移动逗号

System.out.print("Your application date is" + month + " ," + year + "!");
                                                        ^

Answer 2

删除逗号并将其添加到双引号之间，如下所示。

  System.out.print("Your application date is" + month + " ,"+ year + "!");

Answer 3

首先将import java.util.Scanner;添加到您的文件中。由于缺少此行，您必须收到错误

error: cannot find symbol
    Scanner input = new Scanner(System.in);
    ^

然后

从上一个print语句中删除额外的逗号。

System.out.print("Your application date is" + month + " ,"+ year + "!");

在方法中导入扫描仪类

3 个答案: