java array contains

Java Arrays class

Java Arrays class: Here comes a confusion for a new Java learner with array, arrays and Arrays. He uses all interchangeably, meaning the same. He uses anyone just to refer arrays of Java. He thinks array and arrays are singular and plural. Of course, he is right. Problem comes once…

Search array element binarySearch()

Arrays.binarySearch() method is useful to find out the index number of an element in the array. Two methods exist in the Arrays class for the purpose and following are their method signatures static int binarySearch(int array1[], int searchNum): Searches the element searchNum in the array array1. This method should be…