列举Java中常用的包、类和接口

常用的类:

  BufferedReader   ,BufferedWriter 

  FileReader     ,FileWirter 

  String        ,Integer 

  Date         ,Class

  HashMap      ,Object

  Runtime      ,file

  Integer      ,Long

  Thread

常用的包:

  java.lang      java.io

  java.util      java.sql

  java.swt       java.math

  javax.servlet    org.apache.struts.action

  org.hibernate    

   

  

常用的接口:

  List        Map

  Document      NodeList

  Servlet       HttpServletResponse

  Session       Transaction  

  HttpSession     Iterator

  Comparable     Clone

  Serializable    Runnable 

 

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转载自www.cnblogs.com/Kevin-ZhangCG/p/9088568.html