Java Hash String hashCode64(String s)

Description

Generate a 64 bit hash code for the specified string

License

Open Source License

Parameter

Parameter	Description
s	a parameter

Declaration

public static long hashCode64(String s) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

public class Main {
    /**/*from w ww.j  av a 2 s .c o m*/
     * Generate a 64 bit hash code for the specified string
     * @param s
     * @return
     */
    public static long hashCode64(String s) {
        long h = 0;
        if (s != null && s.length() > 0) {
            int off = 0;
            int len = s.length();
            for (int i = 0; i < len; i++) {
                h = 31 * h + s.charAt(off++);
            }
        }
        return h;
    }
}

Related

1. hashCode(String sIn)
2. hashCode(String str)
3. hashCode1(String str)
4. hashCode2(String str)
5. hashCode64(String s)
6. hashCodeIgnoreCase(String a)
7. hashCodeOfStringArray(String[] stringArray)
8. hashCodeToString(byte[] hash)
9. hashCodeToString(long code)