A Java program to reverse a string. We are using 'reverse()' method of the Collections. This method reverse the order of elements of the list specified. The program is embedded at https://coderolls.com/reverse-a-string-in-java

ReverseStringUsingReeverseMethodOfCollections.java

/**
 * A Java program to reverse a string.
 * 
 * We are using 'reverse()' method of the Collections. This method reverse the
 * order of elements of the list specified.
 * 
 * @author Gaurav Kukade at coderolls.com
 */

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

public class ReverseStringUsingReeverseMethodOfCollections {

  public static void main(String[] args) {
    
    String blogName = "coderolls.com";
    char [] stringCharArray = blogName.toCharArray();
    List<Character> arrayList = new ArrayList<>();
    String reversedString = "";
    
    for(char ch : stringCharArray) {
      arrayList.add(ch);
    }
    
    Collections.reverse(arrayList);
    
    for( Character ch: arrayList) {
      reversedString = reversedString + ch;
    }
    
    System.out.print("The reversed string of the '"+blogName+"' is: ");
    System.out.println(reversedString);  
  }
  
}