JavaTM 2 Platform
Standard Ed. 5.0

java.util
Ŭ·¡½º AbstractQueue<E>

java.lang.Object 
  »óÀ§¸¦ È®Àå java.util.AbstractCollection <E>
      »óÀ§¸¦ È®Àå java.util.AbstractQueue<E>
ÇüÅ ÆÄ¶ó¹ÌÅÍ:
E - Ä÷º¼Ç³»¿¡ Á¸ÀçÇÏ´Â ¿ä¼ÒÀÇ ÇüÅÂ
¸ðµç ±¸ÇöµÈ ÀÎÅÍÆäÀ̽º:
Iterable <E>, Collection <E>, Queue <E>
Á÷°èÀÇ ±âÁ¸ÀÇ ¼­ºê Ŭ·¡½º:
ArrayBlockingQueue, ConcurrentLinkedQueue, DelayQueue, LinkedBlockingQueue, PriorityBlockingQueue, PriorityQueue, SynchronousQueue

public abstract class AbstractQueue<E>
extends AbstractCollection <E>
implements Queue <E>

ÀÌ Å¬·¡½º´Â ¸î°³ÀÇ Queue ¿ÀÆÛ·¹À̼ÇÀÇ ½ºÄ̸®ÅÏ ±¸ÇöÀ» Á¦°øÇÕ´Ï´Ù. ÀÌ Å¬·¡½º³»ÀÇ ±¸ÇöÀÌ ÀûÀýÇÑ °ÍÀº, º£À̽º ±¸ÇöÀ¸·Î null ¿ä¼Ò°¡ Çã°¡µÇÁö ¾Ê´Â °æ¿ìÀÔ´Ï´Ù. add, remove ¹× element ¸Þ¼­µå´Â °¢°¢ offer, poll ¹× peek ¿¡ ±Ù°ÅÇϰí ÀÖ½À´Ï´Ù¸¸,false ¶Ç´Â null¸¦ µ¹·ÁÁÖ°í ½ÇÆÐ¸¦ ³ªÅ¸³»´Â ´ë½Å¿¡ ¿¹¿Ü¸¦ Throw ÇÕ´Ï´Ù.

ÀÌ Å¬·¡½º¸¦ È®ÀåÇÏ´Â Queue ±¸ÇöÀº,Iterator.remove() ¸¦ Áö¿øÇÏ´Â Queue.peek(), Queue.poll(), Collection.size() ¹× Collection.iterator() ¿Í ÇÔ²²,null ¿ä¼ÒÀÇ »ðÀÔÀ» Çã°¡ÇÏÁö ¾Ê´Â Queue.offer(E) ¸Þ¼­µå¸¦ ÃÖÀúÇÑ Á¤ÀÇÇÒ Çʿ䰡 ÀÖ½À´Ï´Ù. º¸Åë , Ãß°¡ ¸Þ¼­µåµµ ¿À¹ö¶óÀ̵å(override) µË´Ï´Ù. ÀÌ·¯ÇÑ ¿ä°ÇÀ» ä¿ï ¼ö°¡ ¾ø´Â °æ¿ì,AbstractCollection ¼­ºê Ŭ·¡½ºÈ­¸¦ °í·ÁÇØ ÁÖ¼¼¿ä.

ÀÌ Å¬·¡½º´Â Java Collections Framework ¸â¹öÀÔ´Ï´Ù.

µµÀÔµÈ ¹öÁ¯:
1.5

»ý¼ºÀÚ °³¿ä
protected AbstractQueue ()
          ¼­ºê Ŭ·¡½º¿¡ ÇØ »ç¿ëµÇ´Â »ý¼ºÀÚ ÀÔ´Ï´Ù.
 
¸Þ¼­µå °³¿ä
 boolean add (E  o)
          ÁöÁ¤µÈ ¿ä¼Ò¸¦ ÀÌ Å¥¿¡ Ãß°¡ÇÕ´Ï´Ù.
 boolean addAll (Collection <? extends E > c)
          ÁöÁ¤µÈ Ä÷º¼Ç³»ÀÇ ¸ðµç ¿ä¼Ò¸¦ ÀÌ Å¥¿¡ Ãß°¡ÇÕ´Ï´Ù.
 void clear ()
          ÀÌ Ä÷º¼ÇÀ¸·ÎºÎÅÍ ¸ðµç ¿ä¼Ò¸¦ »èÁ¦ÇÕ´Ï´Ù.
 E element ()
          ÀÌ Å¥ÀÇ Çì´õ¸¦ ÃëµæÇÕ´Ï´Ù¸¸, »èÁ¦ÇÏÁö ¾Ê½À´Ï´Ù.
 E remove ()
          ÀÌ Å¥ÀÇ Çì´õ¸¦ Ãëµæ ¹× »èÁ¦ÇÕ´Ï´Ù.
 
Ŭ·¡½º java.util. AbstractCollection ·ÎºÎÅÍ »ó¼ÓµÈ ¸Þ¼­µå
contains, containsAll, isEmpty, iterator, remove, removeAll, retainAll, size, toArray, toArray, toString
 
Ŭ·¡½º java.lang. Object ·ÎºÎÅÍ »ó¼ÓµÈ ¸Þ¼­µå
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 
ÀÎÅÍÆäÀ̽º java.util. Queue ·ÎºÎÅÍ »ó¼ÓµÈ ¸Þ¼­µå
offer, peek, poll
 
ÀÎÅÍÆäÀ̽º java.util. Collection ·ÎºÎÅÍ »ó¼ÓµÈ ¸Þ¼­µå
contains, containsAll, equals, hashCode, isEmpty, iterator, remove, removeAll, retainAll, size, toArray, toArray
 

»ý¼ºÀÚ »ó¼¼

AbstractQueue

protected AbstractQueue()
¼­ºê Ŭ·¡½º¿¡ ÇØ »ç¿ëµÇ´Â »ý¼ºÀÚ ÀÔ´Ï´Ù.

¸Þ¼­µåÀÇ »ó¼¼

add

public boolean add(E  o)
ÁöÁ¤µÈ ¿ä¼Ò¸¦ ÀÌ Å¥¿¡ Ãß°¡ÇÕ´Ï´Ù. ÀÌ ±¸ÇöÀº,offer °¡ ¼º°øÇßÀ» °æ¿ì´Â true¸¦ µ¹·ÁÁÖ°í, ±×·¸Áö ¾ÊÀº °æ¿ì¿¡´Â IllegalStateException¸¦ Throw ÇÕ´Ï´Ù.

Á¤ÀÇ:
ÀÎÅÍÆäÀ̽º Collection <E > ³»ÀÇ add
¿À¹ö¶óÀ̵å(override):
Ŭ·¡½º AbstractCollection <E > ³»ÀÇ add
ÆÄ¶ó¹ÌÅÍ:
o - ¿ä¼Ò
¹Ýȯ°ª:
true (Collection.add ÀÏ¹Ý ±Ô¾à¿¡ µû¸¥´Ù)
¿¹¿Ü:
NullPointerException - ÁöÁ¤µÈ ¿ä¼Ò°¡ null ÀÎ °æ¿ì
IllegalStateException - ¿ä¼Ò¸¦ Ãß°¡ÇÒ ¼ö ¾ø´Â °æ¿ì

remove

public E  remove()
ÀÌ Å¥ÀÇ Çì´õ¸¦ Ãëµæ ¹× »èÁ¦ÇÕ´Ï´Ù. Å¥°¡ ÇÏ´ÃÀÌ ¾Æ´Ñ ÇÑ, ÀÌ ±¸ÇöÀº poll °á°ú¸¦ µ¹·ÁÁÝ´Ï´Ù.

Á¤ÀÇ:
ÀÎÅÍÆäÀ̽º Queue <E > ³»ÀÇ remove
¹Ýȯ°ª:
ÀÌ Å¥ÀÇ Çì´õ
¿¹¿Ü:
NoSuchElementException - Å¥°¡ ÇÏ´ÃÀÇ °æ¿ì

element

public E  element()
ÀÌ Å¥ÀÇ Çì´õ¸¦ ÃëµæÇÕ´Ï´Ù¸¸, »èÁ¦ÇÏÁö ¾Ê½À´Ï´Ù. Å¥°¡ ÇÏ´ÃÀÌ ¾Æ´Ñ ÇÑ, ÀÌ ±¸ÇöÀº peek °á°ú¸¦ µ¹·ÁÁÝ´Ï´Ù.

Á¤ÀÇ:
ÀÎÅÍÆäÀ̽º Queue <E > ³»ÀÇ element
¹Ýȯ°ª:
ÀÌ Å¥ÀÇ Çì´õ
¿¹¿Ü:
NoSuchElementException - Å¥°¡ ÇÏ´ÃÀÇ °æ¿ì

clear

public void clear()
ÀÌ Ä÷º¼ÇÀ¸·ÎºÎÅÍ ¸ðµç ¿ä¼Ò¸¦ »èÁ¦ÇÕ´Ï´Ù. ÀÌ È£ÃâÀÌ µ¹¾Æ¿À¸é, Ä÷º¼ÇÀº ºñ¿ó´Ï´Ù.

ÀÌ ±¸ÇöÀº,null °¡ µ¹·ÁÁÖ°íÁú ¶§±îÁö, ¹Ýº¹ poll ¸¦ È£ÃâÇÕ´Ï´Ù.

Á¤ÀÇ:
ÀÎÅÍÆäÀ̽º Collection <E > ³»ÀÇ clear
¿À¹ö¶óÀ̵å(override):
Ŭ·¡½º AbstractCollection <E > ³»ÀÇ clear

addAll

public boolean addAll(Collection <?  extends E > c)
ÁöÁ¤µÈ Ä÷º¼Ç³»ÀÇ ¸ðµç ¿ä¼Ò¸¦ ÀÌ Å¥¿¡ Ãß°¡ÇÕ´Ï´Ù. Å¥ÀÇ ¸ðµç °ÍÀ» ±× ÀÚü¿¡ Ãß°¡ÇÏ·Á°í Çϸé,IllegalArgumentException °¡ Throw µË´Ï´Ù. ¶Ç, ¿ÀÆÛ·¹À̼ÇÀÇ ÁøÇàÁßÀ¸·Î ÁöÁ¤µÈ Ä÷º¼ÇÀÌ º¯°æµÇ¾úÀ» °æ¿ìÀÇ, ÀÌ ¿ÀÆÛ·¹À̼ÇÀÇ µ¿ÀÛÀº Á¤Àǵǰí ÀÖÁö ¾Ê½À´Ï´Ù.

ÀÌ ±¸ÇöÀº, ÁöÁ¤µÈ Ä÷º¼Ç¿¡ ´ëÇØ¼­ 󸮸¦ ¹Ýº¹ÇØ ½ÇÇàÇØ, ¹Ýº¹ÀÚ¿¡ ÇØ µ¹·ÁÁÖ°íÁö´Â °¢ ¿ä¼Ò¸¦ ÀÌ Ä÷º¼Ç¿¡ Â÷·Ê·Î Ãß°¡ÇÕ´Ï´Ù. ¿ä¼Ò (null ¿ä¼Ò¸¦ Æ÷ÇÔÇÑ´Ù)ÀÇ Ãß°¡Áß¿¡ ½ÇÇà½Ã ¿¹¿Ü¿¡ Á¶¿ìÇÏ´Â °æ¿ì, °ü·ÃÁöÀ» ¼ö ÀÖ¾ú´ø ¿¹¿ÜÀÇ Throw½Ã¿¡ ¿ä¼ÒÀÇ ÀϺθ¸ÀÌ Ãß°¡¿¡ ¼º°øÇϰí ÀÖÀ» °¡´É¼ºÀÌ ÀÖ½À´Ï´Ù.

Á¤ÀÇ:
ÀÎÅÍÆäÀ̽º Collection <E > ³»ÀÇ addAll
¿À¹ö¶óÀ̵å(override):
Ŭ·¡½º AbstractCollection <E > ³»ÀÇ addAll
ÆÄ¶ó¹ÌÅÍ:
c - ¿ä¼Ò°¡ ÀÌ Ä÷º¼Ç¿¡ Ãß°¡µÇ´Â Ä÷º¼Ç
¹Ýȯ°ª:
ÀÌ È£ÃâÀÇ °á°ú, ÀÌ Ä÷º¼ÇÀÌ º¯°æµÇ¾úÀ» °æ¿ì´Â true
¿¹¿Ü:
NullPointerException - ÁöÁ¤µÈ Ä÷º¼Ç ¶Ç´Â ±× ¿ä¼ÒÀÇ ¾î¶² °ÍÀΰ¡°¡ null °æ¿ì
IllegalArgumentException - c °¡ ÀÌ Å¥ÀÎ °æ¿ì
°ü·Ã Ç׸ñ:
add(Object)

JavaTM 2 Platform
Standard Ed. 5.0

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