array declare in 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: 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 3: java array declaration

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

Example 4: java int array

int[] theNumbers = new int[5];

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

Example 5: arrays in java

int[] intArray = new int[20];
String[] cars = {"Volvo", "BMW", "Ford", "Mazda"};

Example 6: array in java

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

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