Array Concept in java

Array Definition:

        Array is an variable that holds multiple values of same data type.

How to get array length in java? 

array length Definition: 

arr.length give the length of the array where arr is the array name.

Syntax:

arrayname.length;

Array simple Program: 

package array_pack;

class arr

{

      private int arr[] = new int[2];

      public void array_init()

      {

      arr[0] = 1;

      arr[1] = 2;

      }

      public void array_print()

      {

      for(int i = 0; i<arr.length; i++)

      System.out.println(arr[i]);

      }

}

public class arr_process {

      public static void main (String args[])

      {

            arr a = new arr();

            a.array_init();

            a.array_print();

      }

}

Output: 

1

2

Explanation: 

           First the program creates the instance for the class arr..Now with the help of the instance we are calling the array_init() function and array_print() function.

Note :

arr.length give the length of the array where arr is the array name.

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