declare a array in java code example

Example 1: how to create an array in java

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

Example 2: java array declaration

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

Example 3: array in java

//Metodo 1
type nome = new type[n];

//Metodo 2
type nome[];
nome = new type[n];

Example 4: 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

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