How to usage Array in Java

public class ArrayDemo {
    public static void main(String[] args) {
int[] anArray;        // DECLARE an array of integers

anArray = new int[10]; // CREATE an array of integers

// assign a value to each array element 
for (int i = 0; i < anArray.length; i++) {
anArray[i] = i;
   }

// print a value from each array element
for (int i = 0; i < anArray.length; i++) {
   System.out.print(anArray[i] + " ");
}
System.out.println();
    }
}