Check out example codes for "create array in java". It will help you in understanding the concepts better.

Code Example 1

int[] theNumbers = new int[5];

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

Code Example 2

int intArray[];    //declaring array
intArray = new int[20];  // allocating memory to array
//OR
int[] intArray = new int[20]; // combining both statements in one

Code Example 3

int[] intArray = new int[]{ 1,2,3,4,5,6,7,8,9,10 }

Code Example 4

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

Code Example 5

int[] age = new int[5];

Code Example 6

type[] var-name;

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