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Ê®¶þ javaÃæÏò¶ÔÏó³ÌÐòÉè¼Æ(ÀàµÄ¼Ì³Ð)

Ê®¶þ javaÃæÏò¶ÔÏó³ÌÐòÉè¼Æ(ÀàµÄ¼Ì³Ð)
/**
 * ÀàµÄ¼Ì³Ð
 */
class Person
{
 private String name;
 private int age;
 public String setName(String name){this.name = name;return name;}
 public int setAge(int age){this.age = age;return age;}
 public void getInfo()
 {
  System.out.println("name = " + name + ", age = " + age);
 }
}
/*
class Student //StudentÀàÖØ¸´¶¨ÒåÁËPersonÀàµÄ·½·¨ºÍ³ÉÔ±±äÁ¿
{
 private String name;
 private int age;
 public String setName(String name){this.name = name;return name;}
 public int setAge(int age){this.age = age;return age;}
 public void getInfo()
 {
  System.out.println("name = " + name + ", age = " + age);
 }
 
 private String school;
 public String setSchool(String school){this.school = school; return school;}
 public void study()
 {
  System.out.println("study in " + school);
 }
}
*/
/**
 * 1,ͨ¹ý¼Ì³Ð¿ÉÒÔ¼ò»¯ÀàµÄ¶¨Òå ¡£
 */
class Student extends Person //ͨ¹ý¼Ì³Ð,ÕâÐ©ÖØ¸´µÄ¶¨Ò彫±»Ê¡ÂÔ.
{
 private String school;
 public String setSchool(String school){this.school = school; return school;}
 public void study()
 {
  System.out.println("study in " + school);
 }
 
 public static void main(String[] args)
 {
  Person p1 = new Person();
  p1.setName("unknown");p1.setAge(0);
  //p1.setSchool("unknown");´íÎó,¸¸À಻ÄÜ·ÃÎÊ×ÓÀàµÄ³ÉÔ±.
  p1.getInfo();
  //p1.study();´íÎó,¸¸À಻ÄÜ·ÃÎÊ×ÓÀàµÄ³ÉÔ±.
  
  Person p2 = new Student();
  p2.setName("mike");
  p2.setAge(23);
  ((Student)p2).setSchool("Cambridge");
  p2.getInfo();
  ((Student)p2).study();
  //¸¸ÀàµÄ¶ÔÏó¿ÉÒÔÏòÏÂתÐÍ.
  
  Student s1 = new Student();
  s1.setName("jackson");


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javaʹÓÃrocksawºÍvserv tcpipʵÏÖ»ùÓÚICMPµÄPing¹¦ÄÜ

Ò»£º×¼±¸ www.savarese.org download
 1.  rocksaw-1.0.0-src.tar.gz
 2.  vserv-tcpip-0.9.2-src.tar.gz
¶þ£º±àÒëÔ´ÎļþµÃµ½jar°ü ʹÓÃAnt
 1.  build vserv-tcpip-0.9.2-src
      ÔÚvserv-tcpip-0.9.2Ŀ¼ÏÂÃæ½¨Ò»¸ötestsĿ¼£¬È»ºóÔÚcmd´°¿ÚϽøÈë ......

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import java.util.Properties;
public class ConfigReader {
private static Properties cache = new Properties();
static{
   try {
    cache.load(ConfigReader .class.getClassLoader().getResourceAsStream("config.properties"));
   } catch (Exception e) {
 &nbs ......

Ḭ̈߳²È«µÄSingletonģʽµÄJavaʵÏÖ

public class Factory {
private static Factory factory;
private static Object classLock=Factory.class;
   private Factory(){}
   public static Factory getFactory(){
      synchronized(classLock){
          ......

java doc


ÒÔÏÂÎÄ×ֲο¼×Ôhttp://java.sun.com/j2se/1.5.0/docs/tooldocs/windows/javadoc.html
 
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(1) javaÔ´Îļþ(.java),Éú³É¶ÔÀàºÍÀàµÄ³ÉÔ±µÄdoc
(2) package×¢ÊÍÎļþ(package-info.java»òÕßpackage.html),Éú³É¶Ô°üµÄ˵Ã÷
(3) overviewÎļþ(Ãû¿ÉÒÔËæ±ã£¬Í¨³£ÊÇo ......
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