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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6. import java.util.Scanner;
  7.  
  8. /* Name of the class has to be "Main" only if the class is public. */
  9. class Ideone
  10. {
  11. 	int temp=0;
  12. 	public void checkPalindrom()
  13. 	{
  14. 		int sum=0,r,n;
  15. 		Scanner sc=new Scanner(System.in);
  16. 		System.out.println("enter the number");
  17. 		sc.nextInt();
  18. 	while(n>0)
  19. 	{
  20. 		r=n%10;
  21. 		sum=(sum*10)+r;
  22. 		n=n/10;
  23. 	}
  24. 	if(temp==sum)
  25. 	System.out.println("palindrome");
  26. 	else
  27. 	System.out.println("not palindrome");
  28.  
  29. 	}
  30. 	public static void main (String[] args) throws java.lang.Exception
  31. 	{
  32. 		Ideone i=new Ideone();
  33. 		i.checkPalindrom();
  34. 	}
  35. }
Compilation error #stdin compilation error #stdout 0.1s 3359744KB
comments (?)
stdin
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Standard input is empty
compilation info 
Main.java:18: error: variable n might not have been initialized
	while(n>0)
	      ^
1 error
stdout
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Standard output is empty
https://ideone.com/gTH5ln
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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