array declaretion 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: java array declaration

int[] array = new int[/*size*/];
// Works for double, char, etc.

Example 3: array declaration injava

// both are valid declarations
int intArray[]; 
or int[] intArray; 

byte byteArray[];
short shortsArray[];
boolean booleanArray[];
long longArray[];
float floatArray[];
double doubleArray[];
char charArray[];

// an array of references to objects of
// the class MyClass (a class created by
// user)
MyClass myClassArray[]; 

Object[]  ao,        // array of Object
Collection[] ca;  // array of Collection
                     // of unknown type