What is an Array? A Complete Guide With Examples

Useful Array Methods

Search, insert and delete in an unsorted array

Java Mock Interview (Google Engineer)

SOLVED:Consider the following algorithm for searching a given number ' X ' in an unsorted array A[1 ⋯n] having ' n ' distinct values: (1) Choose an ' i ' uniformly at random from 1 ⋯n (2) If A[i]=x Then stop else goto (1) ; Assuming that X is present in A, what is the expected number of comparisons made by the algorithm before it terminates. (A) n (B) n-1 (C) 2 n (D) n / 2

Array Data Structure - GeeksforGeeks