/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		// Instantiate an array for `Integer` objects, with each of its 3 elements being null.
		Object[] o2 = new Integer[3] ; 
		System.out.println( Arrays.toString( o2 ) ) ;
 
		o2[0] = new Integer( 7 ) ;  // Assign an `Integer` object holding a `int` primitive within.
		o2[2] = 42 ;                // Assign a primitive value where auto-boxing automatically wraps the `int` value in an `Integer` object, then places within the array.
		System.out.println( Arrays.toString( o2 ) ) ;
	}
}

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