An array is a collection of similar data types. Array is a container object which hold values of a data type. It is specific size and type since it is initial. The index of array start from 0 to size of array -1.
Declaration of array
syntax:
datatype [] variable_name; or datatype variable_name[];
Example :
byte [] arr; byte arr[]; int[] arr; int arr[]; double [] arr;
Initialization of array
we use keyword new to initial array;
Example:
int[] arr = new int[5];
// 5 is size of array
or
int[] arr = {1,2,3,4,5,6}
Access element of array
Array is accessed element by index . As mention above index of is array is start form 0 to size -1.
arrayName[n-1]; // access at element n th
Example:
to access element 3th of array x[]
int x = {1,2,3,4,5,6,7,8};
System.out.print("The value at element 3 th" +x[2]);
Output:
The value at element 3th =3
