蓝桥杯-java-大写字母转小写

列如

输入：A

输出：a

import java.util.Scanner;
public class Main46 {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		
		 Scanner scanner = new Scanner(System.in);
		   String string=scanner.next();
		 String  a= string.toLowerCase();
		   System.out.println(a);
		}


		}