Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

Java»ùÓÚË«ÏòÁ´±íʵÏÖÁбí½á¹¹(Ëã·¨Ô´Âë)

/* ¸ßÊÖÖ®×÷£¬±¾È˽÷ÒÔÊÕ²ØÕßÉí·Ý¹²ÏíÔ´Â룬¹©´ó¼Ò²Î¿¼Ö®! */
/*
 * ÁбíADT½Ó¿Ú
 */
package dsa;
public interface List {
//²éѯÁÐ±íµ±Ç°µÄ¹æÄ£
 public int getSize();
//ÅжÏÁбíÊÇ·ñΪ¿Õ
 public boolean isEmpty();
//·µ»ØµÚÒ»¸öÔªËØ£¨µÄλÖã©
 public Position first();
//·µ»Ø×îºóÒ»¸öÔªËØ£¨µÄλÖã©
 public Position last();
//·µ»Ø½ô½Ó¸ø¶¨Î»ÖÃÖ®ºóµÄÔªËØ£¨µÄλÖã©
 public Position getNext(Position p)
 throws ExceptionPositionInvalid, ExceptionBoundaryViolation;
//·µ»Ø½ô¿¿¸ø¶¨Î»ÖÃ֮ǰµÄÔªËØ£¨µÄλÖã©
 public Position getPrev(Position p)
 throws ExceptionPositionInvalid, ExceptionBoundaryViolation;
//½«e×÷ΪµÚÒ»¸öÔªËØ²åÈëÁбí
 public Position insertFirst(Object e);
//½«e×÷Ϊ×îºóÒ»¸öÔªËØ²åÈëÁбí
 public Position insertLast(Object e);
//½«e²åÈëÖÁ½ô½Ó¸ø¶¨Î»ÖÃÖ®ºóµÄλÖÃ
 public Position insertAfter(Position p, Object e)
 throws ExceptionPositionInvalid;
//½«e²åÈëÖÁ½ô¿¿¸ø¶¨Î»ÖÃ֮ǰµÄλÖÃ
 public Position insertBefore(Position p, Object e)
 throws ExceptionPositionInvalid;
//ɾ³ý¸ø¶¨Î»Öô¦µÄÔªËØ£¬²¢·µ»ØÖ®
 public Object remove(Position p)
 throws ExceptionPositionInvalid;
//ɾ³ýÊ×ÔªËØ£¬²¢·µ»ØÖ®
 public Object removeFirst();
//ɾ³ýÄ©ÔªËØ£¬²¢·µ»ØÖ®
 public Object removeLast();
//½«´¦ÓÚ¸ø¶¨Î»ÖõÄÔªËØÌæ»»ÎªÐÂÔªËØ£¬²¢·µ»Ø±»Ìæ»»µÄÔªËØ
 public Object replace(Position p, Object e)
 throws ExceptionPositionInvalid;
//λÖõü´úÆ÷
 public Iterator positions();
//ÔªËØµü´úÆ÷
 public Iterator elements();
}
/*
 * »ùÓÚË«ÏòÁ´±íʵÏÖÁбí½á¹¹
 */
package dsa;
public class List_DLNode implements List {
 protected int numElem;//ÁбíµÄʵ¼Ê¹æÄ£
 protected DLNode header, trailer;//ÉÚ±ø£ºÊ×½Úµã+Ä©½Úµã
//¹¹Ô캯Êý
 public List_DLNode() {
  numElem = 0;//¿Õ±í
  header = new DLNode(null, null, null);//Í·½Úµã
  trailer = new DLNode(null, header, null);//β½Úµã
  header.setNext(trai


Ïà¹ØÎĵµ£º

´«ÖDz¥¿Íjavaѧϰ sql¶ÔÏó

ÎÒ½ñÌìѧϰÁËOracleÊý¾Ý¿âÈçºÎÐ޸ıíµÄ֪ʶ£¬ÊÇ·ëÍþÀÏʦ½²µÄ¿Î£¬ÎÒ×öÁ˼òµ¥µÄ¼Ç¼£º
1.ÔÚ±íÖвåÈëеÄÁУº
  alter table tablename
  add city varchar£¨2£© default 'rr' //¸³Ä¬ÈÏÖµ
2.Ð޸ıíÖеÄÁУº
  alter table tablename
  modify city varchar£¨20£©
3.ɾ³ý±íÖеÄÁУº
  alter t ......

Effective Java ѧϰ±Ê¼Ç (6)

¼°Ê±Ïû³ý²»Ê¹ÓõĶÔÏóµÄÒýÓÃ, ÀíÂÛÉÏ, ´øÓÐÄÚ´æ¹ÜÀíµÄÓïÑÔÊDz»´æÔÚÄÚ´æÐ¹Â©µÄ, µ«ÊÇÈç¹û¶Ô¶ÔÏóµÄ²Ù×÷²»µ±,Ò²ÊÇ¿ÉÄÜ»áÔì³ÉÄÚ´æÐ¹Â©. ÈçÓÐÒ»¸östack, Æäpopº¯ÊýÈçÏÂ. public Object pop() {                if( Element.length() == 0) return nu ......

javaÀàÐÍ×¢Èë

public class Bean1 {
private String strValue;

private int intValue;

private List listValue;

private Set setValue;

private String[] arrayValue;

private Map mapValue;

public String getStrValue() {
return strValue;
}
public void setStrValue(String strValue) {
t ......

JavaÖеÄÊý¾Ý±È½Ï£¨ÔÙ̸==ÓëequalsµÄÇø±ð£©


±¾×÷Æ·²ÉÓÃ֪ʶ¹²ÏíÊðÃû-·ÇÉÌÒµÐÔʹÓÃ-Ïàͬ·½Ê½¹²Ïí 2.5 Öйú´ó½Ðí¿ÉЭÒé½øÐÐÐí¿É¡£
JavaÖеıäÁ¿Óë¶ÔÏóÓÐÇø±ðÂð£¿
Òý×Ó£º±äÁ¿Óë¶ÔÏó
±äÁ¿ÊÇJavaÖÐ×î»ù±¾µÄ´æ´¢µ¥Ôª£¬Îª±äÁ¿¸³Öµ¿ÉÒÔʹÓø³Öµ±í´ïʽ¡£È磺
int i = 10;
¸Ã±í´ïʽµÄº¬ÒåÊǽ«Ò»¸ö×ÖÃæÁ¿£¨literal£©10¸³Öµ¸øÒ»¸öÀàÐÍΪintÐ͵ıäÁ¿£¬±äÁ¿ÃûΪi¡£ÕâÊÇÒ»¸öÎ ......

java ×¢Ê͹淶

×¢Ê͵ÄÔ­Ôò
1¡¢ ×¢ÊÍÐÎʽͳһ
ÔÚÕû¸öÓ¦ÓóÌÐòÖУ¬Ê¹ÓþßÓÐÒ»ÖµıêµãºÍ½á¹¹µÄÑùʽÀ´¹¹Ôì×¢ÊÍ¡£Èç¹ûÔÚÆäËûÏîÄ¿×é·¢ÏÖËûÃǵÄ×¢Ê͹淶ÓëÕâ·ÝÎĵµ²»Í¬£¬°´ÕÕËûÃǵĹ淶д´úÂ룬²»ÒªÊÔͼÔڼȳɵĹ淶ϵͳÖÐÒýÈëеĹ淶¡£
2¡¢ ×¢Ê͵ļò½à
ÄÚÈÝÒª¼òµ¥¡¢Ã÷ÁË¡¢º¬Òå׼ȷ£¬·ÀÖ¹×¢Ê͵ĶàÒåÐÔ£¬´íÎóµÄ×¢ÊͲ»µ«ÎÞÒæ·´¶øÓк¦¡£ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ