CheckForAnagram.java

import java.util.Arrays;

/**
 *
 * Ashish Patel
 * e: ashishsushilPatel@gmail.com
 * w: https://ashish.me
 *
 */

class CheckForAnagram {

  static final int CHAR=256;

  static boolean areAnagram(String s1, String s2){
    if(s1.length() != s2.length()){
      return false;
    }
    int[] count = new int[CHAR];
    for(int i = 0 ;i < s1.length(); i++){
      count[s1.charAt(i)]++;
      count[s2.charAt(i)]--;
    }
    for(int i = 0;i < s1.length();i++){
      if(count[i] != 0){
        return false;
      }
    }
    return true;
  }

  public static void main(String[] args){
    String str1 = "abaac";
    String str2 = "aacba";
    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");
  }
}