/* 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
	{
		// your code goes here
		int[] pusta_referencja = null;
		int[] tablica1= new int[10];
		int[] tablica2= new int[15];
		int x = 0;
		if(x==0){
			pusta_referencja=tablica1;
		}else{
			pusta_referencja=tablica2;
		}
		//voila mozemy korzystac z pusta_referencja!
	}
}

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