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  1. Prepare
  2. Java
  3. Strings
  4. Java Anagrams
  5. Discussions

Java Anagrams

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2495 Discussions

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  • jmbuschow
     + 0 comments

    A bit of an odd solution, but the use of primes allows for a mathematic approach that doesn't require sorting and only requires traversing the arrays a single time. Not meaningfully better than storing an int in the index of the char value, but fun!

        static boolean isAnagram(String a, String b) {
        // Complete the function
        
        if(a.length() != b.length()) {
            return false;
        }
        
        a = a.toLowerCase();
        b = b.toLowerCase();
        
        int[] lookupArr = {2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97,101};
        int total = 0;
        
        for(int i = 0; i < a.length(); i++) {
            total += lookupArr[a.charAt(i) - 97];
            total -= lookupArr[b.charAt(i) - 97];
        }
        
        if(total == 0) {
            return true;
        }
        return false;
    }

  • undavallisridat1
     + 0 comments

    static boolean isAnagram(String a, String b) {

        if(a.length() != b.length())return false;

    char[] c1 = a.toLowerCase().toCharArray();
    char[] c2 = b.toLowerCase().toCharArray();

    java.util.Arrays.sort(c1);
    java.util.Arrays.sort(c2);        

    for(int i=0; i<c1.length; i++){
        if(c1[i]!=c2[i])return false;
    }

    return true;

  • acidbriggs
     + 0 comments
        Scanner scan = new Scanner(System.in);
    char[] first = scan.next().toLowerCase().toCharArray();
    char[] second = scan.next().toLowerCase().toCharArray();
    Arrays.sort(first);
    Arrays.sort(second);

    if (Arrays.equals(first, second)) {
      System.out.println("Anagrams");
    } else {
      System.out.println("Not Anagrams");
    }

  • dhandapanibarat1
     + 0 comments

    • static boolean isAnagram(String a, String b) {

    •     int[] aChar=new int[27];

    •     int[] bChar=new int[27];

    •     int length,ac,bc;

    •     if((length=a.length())!=b.length())

    •         return false;

    •     for(int i=0;i<length;i++){

    •         if((ac=a.charAt(i))>92)

    •             ac -= 32;

    •         if((bc=b.charAt(i))>92)

    •             bc -= 32;

    •         aChar[ac-65]++;

    •         bChar[bc-65]++;

    •     }

    •     for(int i=0;i<27;i++){

    •         if(aChar[i]!=bChar[i])
        return false;
}
return true;

      }

  • j_vlt_mtz
     + 0 comments

    Why i can´t use streams?. The editor doesn't allow me add imports. Anyone, knows waht it happening?