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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 AnagramCheck_Sort{
  9. 	public static boolean isAnagram(String s1, String s2){
  10. 		// Early termination check, if strings are of unequal lengths,
  11. 		// then they cannot be anagrams
  12. 		if (s1==null || s2==null || s1.length() != s2.length() ) {
  13. 			return false;
  14. 		}
  15. 		s1=s1.toLowerCase();s2=s2.toLowerCase();
  16. 		Integer p1 = 1; Integer p2 = 1;
  17. 		for(int i=0, len=s1.length(); i<len; i++){
  18. 			char c1 = s1.charAt(i);char c2 = s2.charAt(i);
  19. 			p1 = p1 * primesMap.get(c1);p2 = p2 * primesMap.get(c2);
  20. 		}
  21.  
  22. 		return p1.equals(p2);
  23. 	}
  24. 	public static void main(String[] args){
  25. 		primesMap.put('a',2);primesMap.put('b',3);primesMap.put('c',5);primesMap.put('d',7);primesMap.put('e',11);primesMap.put('f',13);
  26. 		primesMap.put('g',17);primesMap.put('h',19);primesMap.put('i',23);primesMap.put('j',29);primesMap.put('k',31);primesMap.put('l',37);
  27. 		primesMap.put('m',41);primesMap.put('n',43);primesMap.put('o',47);primesMap.put('p',53);primesMap.put('q',59);primesMap.put('r',61);
  28. 		primesMap.put('s',67);primesMap.put('t',71);primesMap.put('u',73);primesMap.put('v',79);primesMap.put('w',83);primesMap.put('x',89);
  29. 		primesMap.put('y',97);primesMap.put('z',101);
  30.  
  31. 		System.out.println(isAnagram("Anagram","nagaram"));
  32. 	}
  33.  
  34. 	private static Map<Character, Integer> primesMap = new HashMap<>();
  35. }
Success #stdin #stdout 0.1s 320512KB
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https://ideone.com/YSS5Hh
Anagram using prime
language:
Java (HotSpot 12)
created:
8 years ago
visibility:
public

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