Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

Java»ùÓÚ¿ÉÀ©³äÊý×éµÄÏòÁ¿ÊµÏÖ(Ëã·¨Ô´Âë)

/* ¸ßÊÖÖ®×÷£¬±¾È˽÷ÒÔÊÕ²ØÕßÉí·ÝÄóö¹²Ïí¹©´ó¼Ò²Î¿¼! */
/*
 * ÏòÁ¿½Ó¿Ú
 */
package dsa;
public interface Vector {
//·µ»ØÏòÁ¿ÖÐÔªËØÊýÄ¿
 public int getSize();
//ÅжÏÏòÁ¿ÊÇ·ñΪ¿Õ
 public boolean isEmpty();
//È¡ÖÈΪrµÄÔªËØ
 public Object getAtRank(int r)
 throws ExceptionBoundaryViolation;
//½«ÖÈΪrµÄÔªËØÌ滻Ϊobj
 public Object replaceAtRank(int r, Object obj)
 throws ExceptionBoundaryViolation;
//²åÈëobj£¬×÷ΪÖÈΪrµÄÔªËØ£»·µ»Ø¸ÃÔªËØ
 public Object insertAtRank(int r, Object obj)
 throws ExceptionBoundaryViolation;
//ɾ³ýÖÈΪrµÄÔªËØ
 public Object removeAtRank(int r)
 throws ExceptionBoundaryViolation;
}
/*
 * »ùÓÚÊý×éµÄÏòÁ¿ÊµÏÖ
 */
package dsa;
public class Vector_Array implements Vector {
 private final int N = 1024;//Êý×éµÄÈÝÁ¿
 private int n = 0;//ÏòÁ¿µÄʵ¼Ê¹æÄ£
 private Object[] A;//¶ÔÏóÊý×é
//¹¹Ô캯Êý
 public Vector_Array() {
  A = new Object[N];
  n = 0;
 }
//·µ»ØÏòÁ¿ÖÐÔªËØÊýÄ¿
 public int getSize() { return n; }
//ÅжÏÏòÁ¿ÊÇ·ñΪ¿Õ
 public boolean isEmpty() { return (0 == n) ? true : false; }
//È¡ÖÈΪrµÄÔªËØ
 public Object getAtRank(int r)//O(1)
 throws ExceptionBoundaryViolation {
  if (0 > r || r >= n) throw new ExceptionBoundaryViolation("ÒâÍ⣺ÖÈÔ½½ç");
  return A[r];
 }
//½«ÖÈΪrµÄÔªËØÌ滻Ϊobj
 public Object replaceAtRank(int r, Object obj)
 throws ExceptionBoundaryViolation {
  if (0 > r || r >= n) throw new ExceptionBoundaryViolation("ÒâÍ⣺ÖÈÔ½½ç");
  Object bak = A[r];
  A[r] = obj;
  return bak;
 }
//²åÈëobj£¬×÷ΪÖÈΪrµÄÔªËØ£»·µ»Ø¸ÃÔªËØ
 public Object insertAtRank(int r, Object obj)
 throws ExceptionBoundaryViolation {
  if (0 > r || r > n) throw new ExceptionBoundaryViolation("ÒâÍ⣺ÖÈÔ½½ç");
  if (n >= N) throw n


Ïà¹ØÎĵµ£º

Ubuntu Install Java JDK and JRE

Ubuntu Linux Install Sun Java Development Kit ( JDK ) and Java Runtime Environment ( JRE )
by Vivek Gite
 
Q.
How do I install Sun
Java Development Kit (JDK) and Java Runtime Environment (JRE) under
Ubuntu Linux? It appears that there are multiple JRE installed by
default under Ubuntu. ......

´«ÖDz¥¿Íjavaѧϰ sql³£Óú¯Êý

ÎÒ½ñÌìѧϰÁËsqlÓï¾äµÄ³£Óú¯Êý£¬ÊÇ·ëÍþÀÏʦ½²µÄ£¬ÎÒ×öÁ˼òµ¥µÄ±Ê¼Ç£º
 
Ò»£¬SQLº¯Êý£º
1. ´óСдת»»º¯Êý
   lower ת³ÉСд  
   upper ´óд
   initcap  ½«×Ö·û´®µÄ(ÿ¸öµ¥´ÊµÄ)µÚÒ»¸ö×Öĸ±äΪ´óд,ºóÃæµÄСд
 select initcap('huangHY') from dual
&n ......

Ïê½âJava ÖеÄÀà¼ÓÔØ»úÖÆ

Ê×ÏÈÃ÷È·ÏÂÀà¼ÓÔصĶ¨Ò壬Àà¼ÓÔØʵ¼ÊÉϾÍÊǽ«java classÎļþ¼ÓÔص½java ÐéÄâ»úÖУ¬¸ù¾ÝJVM¹æ·¶µÄ¶¨Ò壬һ°ã·ÖΪ2ÖÖÀàÐ͵ÄÀà¼ÓÔØ£¬Ò»ÖÖÊÇÆô¶¯Àà¼ÓÔØÆ÷£¬ÁíÍâÒ»ÖÖÊÇÓû§×Ô¶¨ÒåÀà¼ÓÔØÆ÷¡£
Ò» Æô¶¯Àà¼ÓÔØÆ÷¡£
Æô¶¯Àà¼ÓÔØÆ÷Ò²ÓÐÒÔÏÂÈýÖÖ£ºBootstrap ClassLoader¡¢AppClassLoaderºÍExtClassLoader,ÕâÈýÖÖclassloaderÔÚjavaÐéÄâ» ......

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 ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ