initialization of Array in java

datatype [] arrayName;

public class ArrayExample1 {  
  
    public static void main( String args[] ) {  
              
        //initializing array without passing values  
        int[] array = new int[5];  
      
        //print each element of the array  
        for (int i = 0; i < 5; i++)  
        {  
            System.out.println(array[i]);  
        }  
   }  
  
}  

public class ArrayExample2 {  
      
    //main() method start  
    public static void main( String args[] ) {  
          
        //declaration of an array  
        int [] numbers;  
          
        //initializing array after declaration  
        numbers = new int[]{22,33,44,55,66};  
      
        //print each element of the array  
        for (int i = 0; i < 5; i++)  
        {  
            System.out.println(numbers[i]);  
        }  
   }  
  
}  

public class ArrayExample3 {  
    //main() method start  
    public static void main( String args[] ) {  
              
        //declaration of an array  
        int [] numbers = {22,33,44,55,66};  
          
        //print each element of the array  
        for (int i = 0; i < 5; i++)  
        {  
            System.out.println(numbers[i]);  
        }  
    }  
}