package database; public class Hasher { private static boolean hash(String paramString) { int i = 7; int j = 593779930; for (byte b = 0; b < paramString.length(); b++) i = i * 31 + paramString.charAt(b); return (i == j); } public static void main(String[] paramArrayOfString) { if (paramArrayOfString.length != 1) { System.out.println("Usage: java Hasher "); System.exit(1); } if (hash(paramArrayOfString[0])) { System.out.println("Correct"); } else { System.out.println("Incorrect"); } } }