Problem Description
用getchar()从键盘上输入一个字符,用putchar()打印出来!
Input
从键盘上输入一个字符!
Output
把刚刚输入的字符打印出来!
Sample Input
A
Sample Output
A
import java.util.Scanner;
public class Main {
public static void main(String args[]) {
Scanner reader = new Scanner(System.in);
String a = reader.nextLine();
System.out.println(a);
}
}