content: // JAVA program to check if two strings
  // are anagrams of each other
  import java.io.*;
  import java.util.*;
  
  class Anagram {
  
  	static int NO_OF_CHARS = 256;
  
  	/* function to check whether two strings
  	are anagram of each other */
  	static boolean areAnagram(char str1[], char str2[])
  	{
  		// Create 2 count arrays and initialize
  		// all values as 0
  		int count1[] = new int[NO_OF_CHARS];
  		Arrays.fill(count1, 0);
  		int count2[] = new int[NO_OF_CHARS];
  		Arrays.fill(count2, 0);
  		int i;
  
  		// For each character in input strings,
  		// increment count in the corresponding
  		// count array
  		for (i = 0; i < str1.length && i < str2.length;
  			i++) {
  			count1[str1[i]]++;
  			count2[str2[i]]++;
  		}
  
  		// If both strings are of different length.
  		// Removing this condition will make the program
  		// fail for strings like "aaca" and "aca"
  		if (str1.length != str2.length)
  			return false;
  
  		// Compare count arrays
  		for (i = 0; i < NO_OF_CHARS; i++)
  			if (count1[i] != count2[i])
  				return false;
  
  		return true;
  	}
  
  	/* Driver code*/
  	public static void main(String args[])
  	{
  		char str1[] = ("gram").toCharArray();
  		char str2[] = ("arm").toCharArray();
  
  		// Function call
  		if (areAnagram(str1, str2))
  			System.out.println("The two strings are"
  							+ " anagram of each other");
  		else
  			System.out.println("The two strings are not"
  							+ " anagram of each other");
  	}
  }
  
  
  