The main issue with your way of doing it is your taking the n'th character from str and appending it to make it the n'th character of res. ... <看更多>

You will learn how to simply reverse a string in Java using for loop which is also asked in many java interviews. ... <看更多>

import java.util.Scanner;. class Main {. public static void main(String[] args) {. Scanner inp = new Scanner(System.in);. System.out.print("In:");. ... <看更多>

Solution 2 is (probably, that depends on many factors) the more efficient one, as its (slightly more complex) loop body is executed only ... ... <看更多>