This repository provides a concise guide to Java arrays, covering basics like declaration, initialization, and element access, along with advanced operations such as sorting, searching, and copying.

In Java, you can use the HashSet class to solve this problem. Just loop over array elements, insert them into HashSet using add() method, and check the return value. If add() returns false it means ...

The below example will help you to add new element in arraylist. so, when we have new element list item shifts the element currently at that postion and any subsequent elements to the right which will ...

In this blog we will understand about vector class in collection framework. we use vector class to facilitate the growable nature of collection of objects. like array we can access any member of the ...

You can define initial values for the elements of a static array by listing the initial values in parentheses following the list of element names in the DECLARE or ARRAY statements. Commas are ...

Here are the most important concepts developers must know when they size Java arrays and deal with a Java array’s length: The theoretical maximum Java array size is 2,147,483,647 elements. To find the ...