Java Distance Calculate distance(int first, int second)

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Description

distance

License

Open Source License

Declaration 

public static int distance(int first, int second)

Method Source Code

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

public class Main {
    public static int distance(int first, int second) {
        return NumberOfSetBits(first ^ second);
    }/*ww w  .jav  a 2 s.  c o m*/

    public static int NumberOfSetBits(int i) {
        i = i - ((i >>> 1) & 0x55555555);
        i = (i & 0x33333333) + ((i >>> 2) & 0x33333333);
        return (((i + (i >>> 4)) & 0x0F0F0F0F) * 0x01010101) >>> 24;
    }
}

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