基础编程题目集 7-3 逆序的三位数 (10分)

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		
		Scanner scanner = new Scanner(System.in);
		String numberString = scanner.nextLine();
		String[] numberStrings = numberString.split("");
		boolean hasNumber = false;
		for (int i=(numberStrings.length-1); i>=0 ; i--) {
			String number = numberStrings[i];
			if (!hasNumber) {
				if (Integer.parseInt(number) != 0) {
					hasNumber = true;
					System.out.print(number);
				} 
			} else {
				System.out.print(number);
			}
			
		}
		scanner.close();
		
	}

}