【Java/Cli】取得控制台输入字符串

【引用包】

import java.util.Scanner;

【代码】

        Scanner sc=new Scanner(System.in);
        System.out.print("please input filename:");
        String filename=sc.next();

        System.out.println(filename);

【真实案例】

        Scanner sc=new Scanner(System.in);
        System.out.print("please input data-migration task defination filename:");
        String filename=sc.next();

        File file=new File(filename);
        if(file.isFile()==false || file.exists()==false){
            System.out.println(String.format("File:%s not found",filename));
            return;
        }

        System.out.println("Begin to read");

【输出】

please input data-migration task defination filename:c:\\temp\\2.json
Begin to read

 

END