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

JavaµÄÉ±´ºÍdz¿½±´(2)

ÉÏһƪÎÄÕ½²ÊöÁËdz¿½±´ºÍÉ±´µÄº¬Ò壬²¢ÇÒ¸ø³öÁËdz¿½±´µÄÒ»¸öÀý×Ó
ÕâÆªÎÄÕÂÔÚÄǸöÀý×ÓµÄʵÏÖÉÏ×÷³öÐ޸ģ¬ÊµÏÖÉ±´,´úÂëÈçÏ£º
package com.test;
public class CloneTest
{
public static void main(String[] args)
{
Student s1 = new Student();
s1.setAge(20);
s1.setName("wudi");
School school = new School();
school.setName("Peiyang University");
school.setBornYear(1895);
s1.setSchool(school);
System.out
.println("s1:" + s1.getName() + " " + s1.getAge() + " "
+ s1.getSchool().getName() + " "
+ s1.getSchool().getBornYear());

try
{
//¿½±´Ò»¸öѧÉú
Student s2 = (Student)s1.clone();
s2.setAge(21);
s2.setName("WUDI");
System.out
.println("s2:" + s2.getName() + " " + s2.getAge() + " "
+ s2.getSchool().getName() + " "
+ s2.getSchool().getBornYear());

System.out.println("after s2 changing some property:");
//ͨ¹ýѧÉús2¸Ä±äÁËËûËùÔÚѧУµÄÃû³ÆºÍ³ÉÁ¢Ê±¼ä
s2.getSchool().setName("Tianjin University");
s2.getSchool().setBornYear(1951);


System.out
.println("s1:" + s1.getName() + " " + s1.getAge() + " "
+ s1.getSchool().getName() + " "
+ s1.getSchool().getBornYear());
System.out
.println("s2:" + s2.getName() + " " + s2.getAge() + " "
+ s2.getSchool().getName() + " "
+ s2.getSchool().getBornYear());




}
catch (CloneNotSupportedException e)
{
e.printStackTrace();
}
}
}
class School implements Cloneable
{
private String name;
private int bornYear;
public String getName()
{
return name;
}
public void setName(String name)
{
this.name = name;
}
public int getBornYear()
{
return bornYear;
}
public void setBornYear(int bornYear)
{
this.bornYear = bornYear;
}

@Override
protected Object clone() throws CloneNotSupportedException
{
return super.clone();
}
}
class Student implements Cloneable
{
private int age;
private String name;
private S


Ïà¹ØÎĵµ£º

JavaѧϰʰÒÅ2

»°ÌâÊÇÓÉÈçϵÄÊÂÇéÒý³öµÄ£º public class StringTest {  public static void main(String[] args) {  String str1 = new String("abc");  String str2 = "abc";  if (str1 == str2) {             ......

JavaÀà³õʼ»¯Ë³Ðò

 
[ÒýÑÔ]
±¾ÎÄÖ÷Òª×ܽáÁËjavaÀàµÄlifetime¡£°üÀ¨´ÓÀàµÄ¼ÓÔØ£¬link£¬initialize£¬ÒÔÖÁ¶ÔÏóµÄʵÀý»¯ºÍÏú»Ù¡£²¢½áºÏjvm¹æ·¶£¬ÂÔ×÷½âÊÍ¡£
1.²âÊÔÓóÌÐò£º
 
2.³ÌÐòÊä³ö£º
 
[ÕýÎÄ]
Java¶ÔÏóµÄ´ÓÎÞµ½ÓÐÒª¾­¹ýÀàµÄ¼ÓÔØ£¬Á´½Ó£¬³õʼ»¯ºÍ¶ÔÏóµÄʵÀý»¯Õ⼸¸ö¹ý³Ì¡£´Ó×ÜÌåÀ´ËµÀàµÄÉúÃüÖÜÆÚ´óÖ½«Æä·ÖΪÈý¸öpha ......

javaÉú³É¾²Ì¬htmlµÄÒ»¶Î´úÂë

       ÔÚijЩӦÓÃÖУ¬½«±¾¸ÃÓɶ¯Ì¬Ò³ÃæÃ¿´Î»ñÈ¡¿Í»§¶ËÇëÇóʱȥµ÷ÓÃÊý¾ÝµÄ¹ý³Ìת»»ÎªÔÚÌí¼ÓÊý¾Ýʱ¼´Éú³ÉΪ¾²Ì¬Ò³Ã棬ÕâÑù¶Ô·þÎñÆ÷µÄѹÁ¦£¬Êý¾Ý¿â¼ìË÷µÄѹÁ¦£¬ÒÔ¼°ËÑË÷ÒýÇæÊÕ¼£¬°üÀ¨·ÀÖ¹SQL×¢Èë¶¼ÊÇÓм«´óµÄºÃ´¦µÄ¡£³£¼ûµÄ×ö·¨ÓкܶàÖÖ£¬°üÀ¨web·þÎñÆ÷ÆôÓÃrewrite£¬io²Ù×÷Éú³ÉÎļþµÈµÈ£¬ÕâÀï ......

javaÈëÃÅʵÀý classpathÓëpath ÉèÖÃ

JavaºÜÓÕÈË£¬µ«¶ÔÓÚ¸Õ¿çÈëJavaÃż÷µÄ³õѧÕßÀ´Ëµ£¬±àÒë²¢ÔËÐÐÒ»¸öÎޱȼòµ¥µÄJava³ÌÐò¼òÖ±¾ÍÊÇÒ»¸ö¶ñÃΡ£Ã÷Ã÷³ÌÐòû´í£¬µ«¸÷ÖÖ¸÷ÑùÈÃÈËÃþ²»×ÅÍ·ÄԵĴíÎóÐÅÏ¢ÕæµÄÈÃÄã°Ù˼²»µÃÆä½â£¬Ðí¶àÔÚJavaÃÅ¿ÚÅÇ»²Á˺ܾõijõѧÕß¾ÍÕâÑù·ÅÆúÁËѧϰJavaµÄ»ú»á£¬ºÜÊÇ¿Éϧ¡£±ÊÕßÒ²¾­Àú¹ýÕâ¸öÎÞ±ÈÍ´¿àµÄ½×¶Î£¬¸Ð¾õµ½±àÒëÄѵÄÎÊÌâ¾Í³öÔÚclasspat ......

JavaµÄdz¿½±´ºÍÉ±´(1)

 JavaµÄ¿½±´·ÖΪÉ±´ºÍdz¿½±´
dz¿½±´£º°ÑÒ»¸ö¶ÔÏóÖÐËùÓеķÇstatic³ÉÔ±±äÁ¿(°üÀ¨¶ÔÆäËü¶ÔÏóµÄÒýÓã¬javaÖеÄÒýÓÃÏ൱ÓÚC/C++ÖеÄÖ¸Õë±äÁ¿)¶¼¿½±´Ò»±é£¬¶ø²»¿½±´ÒýÓÃËùÖ¸ÏòµÄ¶ÔÏó
É±´£º°ÑÒ»¸ö¶ÔÏóÖÐËùÓеķÇstatic³ÉÔ±±äÁ¿(°üÀ¨¶ÔÆäËü¶ÔÏóµÄÒýÓÃ)¶¼¿½±´Ò»±é£¬ÒýÓÃËùÖ¸ÏòµÄ¶ÔÏóÒ²¿½±´Ò»·Ý
ÕâÆªÎÄÕÂÏȽ²Êödz¿½±´£ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ