binary Search a long type array - Android java.lang

Android examples for java.lang:array

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Description

binary Search a long type array

Demo Code


//package com.java2s;

public class Main {
    public static int binarySearch(long[] srcArray, long des) {
        int low = 0;
        int high = srcArray.length - 1;
        while (low <= high) {
            int middle = (low + high) / 2;
            if (des == srcArray[middle]) {
                return middle;
            } else if (des < srcArray[middle]) {
                high = middle - 1;//  ww  w .j a  v a2 s.c  o m
            } else {
                low = middle + 1;
            }
        }
        return -1;
    }
}

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