【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