Question

data structures in java

Answer 1

Data structure:
 
A way of organizing and storing the data in a computer so it can be used in the most efficient manner. it provides a mean to give a shape to random data in the most effective and efficient manner which is a key  to designing efficient algorithms.

Answer 2

Explanation:

6 Essential Data Structure in Java

Array. Java programming language provides built-in support for the array in the language itself. ...

Linked List. Apart from the array, a linked list is another basic data structure in programming. ...

Hash table. ...

Stack. ...

Queue. ...

Set.