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  1. import java.util.Stack;
  2.  
  3. class Palindromer {
  4.  
  5. Stack<Character> stack = null;
  6.  
  7. public boolean isPalindrome(String s) {
  8.     for (int i=0;i<s.length();i++) {
  9.         stack = new Stack<Character>();
  10.         stack.push(s.charAt(i));
  11.         System.out.println(stack);
  12.     }
  13.     String returnString = "";
  14.  
  15.     while (!stack.isEmpty()) {
  16.         returnString = returnString+stack.pop();
  17.         System.out.println(returnString);
  18.     }
  19.  
  20.     return returnString.equals(s);
  21. }
  22.  
  23. }
  24.  
  25. class PalindromeChecker {
  26. public static void main(String[] args) {
  27.     Palindromer palin = new Palindromer();
  28.     if (palin.isPalindrome("BananaB")) {
  29.         System.out.println("is palindrome");
  30.     } else {
  31.         System.out.println("not a palindrome");
  32.     }
  33.     if (palin.isPalindrome("newbee")) {
  34.         System.out.println("is palindrome");
  35.     } else {
  36.         System.out.println("not a palindrome");
  37.     }
  38.     if (palin.isPalindrome("malayalam")) {
  39.         System.out.println("is palindrome");
  40.     } else {
  41.         System.out.println("not a palindrome");
  42.     }
  43. }
  44. }
Success #stdin #stdout 0.1s 320576KB
comments (?)
stdin 
Standard input is empty
stdout 
[B]
[a]
[n]
[a]
[n]
[a]
[B]
B
not a palindrome
[n]
[e]
[w]
[b]
[e]
[e]
e
not a palindrome
[m]
[a]
[l]
[a]
[y]
[a]
[l]
[a]
[m]
m
not a palindrome
https://ideone.com/hgQ32e
language:
Java (HotSpot 12)
created:
8 years ago
visibility:
public

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