1.首先输入比较简单:
Javaimport java.util.*;
import java.io.*;
public class Main{
public static void main(String[] args){
Scanner in1 = new Scanner(System.in);
Scanner in2 = new Scanner(new BufferedInputStream(System.in));
}
}
in1和in2的方法差不多,就没什么好说的了;……