Check out example codes for "how to initialize array in java". It will help you in understanding the concepts better.

Code Example 1

int[] array1 = new int[5]; //int array length 5
String[] array2 = new String[5] //String array length 5
double[] array3 = new double[5] // Double array length 5

Code Example 2

int[] data = {10,20,30,40,50,60,71,80,90,91};
// or
int[] data;
data = new int[] {10,20,30,40,50,60,71,80,90,91};
// or
int[] data = new int[10];
data = {10,20,30,40,50,60,71,80,90,91};

Code Example 3

int[] arr = new int[5];	 // integer array of size 5 you can also change data type

Code Example 4

int[] arr = new int[10];	//Can hold 10 elements

Code Example 5

String[] cars = {"Volvo", "BMW", "Ford", "Mazda"};

Code Example 6

int[] theNumbers = new int[5];

arr[0] = 4;
arr[1] = 8;
arr[2] = 15;
arr[3] = 16;
arr[4] = 23;
arr[5] = 42;

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