fork download
copy 
  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		testePalindromo("ANA");
  13. 		testePalindromo("BANANA");
  14. 	}
  15.  
  16. 	public static void testePalindromo(String palavra) {
  17. 		System.out.println("a palavra '" + palavra + "' eh palindromo? " + ehPalindromo(palavra));
  18. 	}
  19.  
  20. 	public static boolean ehPalindromo(String palavra) {
  21. 		Stack<Character> pilha = new Stack<Character>();
  22.  
  23. 		for(int i=0;i< palavra.length();i++){
  24. 			pilha.push(palavra.charAt(i));
  25. 		}
  26.  
  27. 		for(int i=0;i< palavra.length();i++){
  28. 			if(! pilha.pop().equals( palavra.charAt(i) ) ){
  29. 				return false;
  30. 			}
  31. 		}
  32.  
  33. 		return true;
  34. 	}
  35. }
Success #stdin #stdout 0.07s 380224KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
a palavra 'ANA' eh palindromo? true
a palavra 'BANANA' eh palindromo? false
https://ideone.com/kCUvWO
language:
Java (HotSpot 12)
created:
9 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!