Array Guide

: Most languages start counting at 0. To access the first item, you use index 0 , the second use 1 , and so on. Fixed vs. Dynamic Size :

In languages like C, C++, or Java, arrays often have a determined at creation. : Most languages start counting at 0

: Fetching a value by its index is extremely fast ( time complexity). Dynamic Size : In languages like C, C++,

: Quickly checks if a value exists in the array and returns true or false . : Arrays allocate a solid block of memory

: Arrays allocate a solid block of memory where each element is placed right next to the previous one. This allows the computer to calculate the location of any item instantly.

: Adding or removing elements from the end of an array is efficient.

: Creates a new array containing only the items that meet a specific condition.