how to initialize array with values in java code example

Example 1: how to initialize an array in java

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};

Example 2: how to declare array java

int intArray[];    //declaring array
intArray = new int[20];  // allocating memory to array
//OR
int[] intArray = new int[20]; // combining both statements in one

Example 3: initialize array with values java

int[] arr = {3,6,9,12};
int[] arr = new int[]{1, 2, 3};

Example 4: java initialize int array

int[] arr = new int[n];