Java half-lookup method to find the number closest to the number of objects in the array

Source: Internet
Author: User

Search for the number of objects closest to the array [java]/*** to find the number closest to the target value, and returns * @ param array * @ param targetNum * @ return */public static Integer binarysearchKey (Object [] array, int targetNum) {Arrays. sort (array); int targetindex = 0; int left = 0, right = 0; for (right = array. length-1; left! = Right;) {int midIndex = (right + left)/2; int mid = (right-left); int midValue = (Integer) array [midIndex]; if (targetNum = midValue) {return midIndex;} if (targetNum> midValue) {left = midIndex;} else {right = midIndex;} if (mid <= 2) {break ;}} System. out. println ("and number to be searched:" + targetNum + "nearest number:" + array [targetindex]); return (Integer) array [right]-(Integer) array [le Ft])/2> targetNum? Array [right]: array [left]);}

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