Recent Posts
Recent Comments
Link
일 | 월 | 화 | 수 | 목 | 금 | 토 |
---|---|---|---|---|---|---|
1 | 2 | |||||
3 | 4 | 5 | 6 | 7 | 8 | 9 |
10 | 11 | 12 | 13 | 14 | 15 | 16 |
17 | 18 | 19 | 20 | 21 | 22 | 23 |
24 | 25 | 26 | 27 | 28 | 29 | 30 |
31 |
Tags
- hbase
- web
- Book review
- Programming
- Software Engineering
- Java
- essay
- RFID
- Python
- AI
- ubuntu
- management
- program
- leadership
- QT
- Kuala Lumpur
- France
- erlang
- programming_book
- Book
- Italy
- Linux
- comic agile
- agile
- hadoop
- Malaysia
- django
- Artificial Intelligence
- history
- MySQL
Archives
- Today
- Total
remove null reference in Java List 본문
http://stackoverflow.com/questions/1239579/helper-in-order-to-remove-null-reference-in-java-list
import java.util.*; public class ListTest { public static void main(String[] args) { final List<Integer> iList = new ArrayList<Integer>(); for ( int i = 0; i < 10; ++i ) { if ( i % 2 == 0 ) iList.add(i); else iList.add(null); } iList.remove(0); System.out.println(iList + "\tsize " + iList.size()); iList.removeAll(Collections.singletonList(null)); System.out.println(iList + "\tsize " + iList.size()); } }
Comments