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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		try{
  13. 	List<Object> obList=new ArrayList<Object>();
  14.  
  15. 	String a=null;
  16. 	Integer b=2;
  17. 	Character c='9';
  18.  
  19. 	obList.add(a);
  20. 	obList.add(b);
  21. 	obList.add(c);
  22.  
  23. 	System.out.println("List is "+obList);
  24.  
  25. 	if(obList.contains(null)){
  26. 		System.out.println("contains null");
  27. 	}else{
  28. 		System.out.println("does not contains null");
  29. 	}
  30. 		}catch(Exception e){
  31. 			System.out.println(e);
  32. 		}
  33. 	}
  34. }
Success #stdin #stdout 0.1s 320320KB
comments (?)
stdin 
Standard input is empty
stdout 
List is [null, 2, 9]
contains null
https://ideone.com/RcaWS1
language:
Java (HotSpot 12)
created:
9 years ago
visibility:
public

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