Java Array Declaration
As we declare a variable in Java, An Array variable is
declared the same way. Array variable has a type and a valid Java identifier
i.e. the array's type and the array's name. By type we mean the type of elements
contained in an array. To represent the variable as an Array, we use []
notation. These two brackets are used to hold the array of a variable.
By array's name, we mean that we can give any name to
the array, however it should follow the predefined conventions. Below are the
examples which show how to declare an array :-
int[] array_name;
//declares an array of integers
String[] names;
int[][] matrix; //this is an array of arrays |
It is essential to assign memory to an array when we
declare it. Memory is assigned to set the size of the declared array. for
example:
int[] array_name
= new int[5]; |
Here is an example that creates an array that has 5
elements.
public class Array
{
public static void main(String[] args)
{
int[] a = new int[5];
}
} |
|
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