greatsplife

 

  HackerRank  Java String Reverse Problem Solution  A palindrome is a word, phrase, number, or other sequence of characters which reads the same backward or forward. Given a string  , print  Yes  if it is a palindrome, print  No  otherwise. Constraints  will consist at most   lower case english letters. Sample Input madam Sample Output Yes Solution 1: import  java.io.*; import  java.util.*; public   class  Solution {      public   static   void  main(String[] args) {                        Scanner scanner =  new  Scanner(System.in);                String s = scanner.next();                String reverse =  new  StringBuilder(s).reverse().toString();                 if (s.equals(reverse))        {            System.out.println( "Yes" );        }          else {             System.out.println( "No" );         }          /* Enter your code here. Print output to STDOUT. */              } } Solution 2: import  java.io.*; import  java.util.*; public   class  Solution {  

  HackerRank Java Substring Problem Solution  Given a string,  , and two indices,   and  , print a  substring  consisting of all characters in the inclusive range from   to  . You'll find the  String  class' substring method  helpful in completing this challenge. Input Format The first line contains a single string denoting  . The second line contains two space-separated integers denoting the respective values of   and  . Constraints String   consists of English alphabetic letters (i.e.,  ) only. Output Format Print the substring in the inclusive range from   to  . Sample Input Helloworld 3 7 Sample Output lowo Explanation In the diagram below, the substring is highlighted in  green : Solution : import  java.io.*; import  java.util.*; import  java.text.*; import  java.math.*; import  java.util.regex.*; public   class  Solution {      public   static   void  main(String[] args) {                  Scanner scanner = new  Scanner(System.in);         String  s = scanner.next();