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Integer Array Initialization in Java



How to Initialize array ?

Initialization means assigning the values to the array at the time of declaraion. It means declaration and assignment of the array is done in one step.This is how the initialization of the array is done in Java

Syntax to initialize array in Java

data_type arrayName[] ={element1,element2,..............element_n};

Array initialization is shown in given step.

int arr[ ]={10,20,30};




Example of initializing integer array in Java:

//Java program to initialize integer array.
public class IntegerArrayInitialization {
public static void main(String[] args) {

int arr[]={10,20,30}; // initializing array

System.out.println("value at arr[2] is = "+arr[2]);
}//end of main method

}//end of class IntegerArrayInitialization


Output:

value at arr[2] is = 30

In the above example, we have initialized array with three elements and displayed element of index number 2.