Answers for "using arrays in java"

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

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

arrays in java

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

array in java

int[] storer = {10,85,62};
System.out.println(storer[0]);

array in java

Size is fixed
It supports both primitives and objects
Can be also multi-dimensional

array in java

// datatype var = new datatype[size]

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