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##### binarySearch

**Description**

solution

**Question**

public int binarySearch(Comparable[] objArray, Comparable searchObj);int low = 0;int high = objArray.length - 1;int mid = 0;while (low <= high);mid = (low + high) / 2;if (objArray[mid].compareTo(searchObj) 0);high = mid - 1;else;return mid;return -1;Modify this code so;1. The algorithm returns an index where a specified item should be inserted such that the;ordering of all items will be preserved after the insertion has occurred. Note that we are not;concerned here with performing the actual insertion, only with returning the insertion point.;2. The algorithm should always return a non-negative integer regardless of whether or not;the item to be inserted is already in the array. Again, since we are not concerned with;performing the actual insertion, it is acceptable for the algorithm to return an index that is;greater than the current length of the array. It will be assumed that some other method will;handle any array resizing and item shifting. In other words, assume someone else will be;writing an insert method that is responsible for actually inserting items into an array. This;method would call your modified binarySearch algorithm to get the correct insertion index;and then insert the item.;3. Your algorithm must use Comparable objects. Do not write the algorithm so that it only;works with primitive data values such as int or double. If you want to use integers or;primitive data, use the built-in wrapper classes (Integer, Double, Long, Float, Character;Byte, etc.). These wrapper classes already implement the Comparable interface, so they are;Comparable objects. Java?s autoboxing feature will automatically convert a primitive data;value to the appropriate wrapper type, eliminating the hassle of manually instantiating;wrapper objects. For example, you can create an array of Integer objects by typing;Integer[] intArray = {1, 2, 3, 4, 5, 6},.;(One cautionary note: keep in mind that characters and character strings are compared;using ASCII codes, which means, for example, that an upper case ?Z? is considered to be;less than a lower case ?a?.)

Paper#65663 | Written in 18-Jul-2015

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