//where n is the length you want the array to be
// for integer array
int[] intArray = new int[n];
// for String array
String[] strArray = new String[n];String [] names = new String[0];
// or
int [] ages = {} ArrayList<Class> myList = new ArrayList<Class>();public static void main(String args[])
{
int array[] = new int[4];
int number = 5, i = 0,j = 0;
while (i<4){
array[i]=number;
i=i+1;
}
while (j<4){
System.out.println(array[j]);
j++;
}
}
int[] notAnArray = null;