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An array in Java is a data structure used to store multiple values of the same data type.

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Each element in an array has a unique index value. It makes it easy to access individual elements. In an array, we have to declare its size first because the size of the array is fixed. In an array, we can store elements of different data types like integer, string, date, etc.

In this article, we will discuss different ways to declare and initialize an array in Java.

Declare an Array in Java

In Java, an array is declared by specifying its data type, and identifier, and adding brackets  to indicate it is an array.

Syntax to Declare an Array

type arrayName [];
type [] arrayName;

• : The type of elements the array will hold (e.g., , ).
• : The name of an array.

Here, size of the array is not mentioned because a reference of an array is created in the memory.

It can be also known as a memory address of an array.

Initialize an Array in Java

After declaring an array we have to initialize it with values as we have to do it

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