how to write array java code example

Example 1: 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 2: array in java

// datatype var = new datatype[size]

int[] arr = new int[10];
// OR
int arr[] = new int[10];