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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.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static boolean main (String s) throws java.lang.Exception
  11. 	{
  12. 			if(s.length() > 256){
  13. 				return false;
  14. 			}
  15.  
  16. 			HashMap<Character,Boolean> seen = new HashMap<Character,Boolean>();
  17. 			char[] chars = s.toCharArray();
  18. 			for(int i=0; i < chars.length; i++){
  19. 				if(seen.containsKey(chars[i]){
  20. 					return false;
  21. 				}
  22. 				else{
  23. 					seen.put(chars[i],true);
  24. 				}
  25. 			}
  26. 			return true;
  27. 		}
  28.  
  29.  
  30. 	}
  31. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
Main.java:19: error: ')' expected
				if(seen.containsKey(chars[i]){
				                             ^
Main.java:31: error: class, interface, or enum expected
}
^
2 errors
stdout
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Standard output is empty
https://ideone.com/EkCcEC
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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