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arraycopy System 类中的 arraycopy 方法的使用。语法：       System.arraycopy(from, fromIndex, to, toindex, count);       public class java {       public static void main(String[] args) {               int[] small

package examples;import java.io.Serializable;/** * Primary Key class for Account. */public class AccountPK implements java.io.Serializable {  public String accountID;  public AccountPK(String id

package examples; import javax.ejb.*;import java.rmi.RemoteException; /** * These are the public business methods of ProductBean. * * This interface is what clients operate on when the

package examples; import javax.ejb.*; /** * Entity Bean which demonstrates Container-Managed persistence. * * This is a product thats persistent.  It has an ID #, a name, * a descript

package examples; /** * Exceptions thrown by Accounts */public class AccountException extends Exception {  public AccountException() {  super(); }  public AccountException(Except

package examples;import javax.ejb.*;import java.util.Collection;import java.rmi.RemoteException;/** * This is the  home interface for Account.  This * interface is implemented by the EJB container

package examples; import javax.ejb.*;import java.rmi.RemoteException;import java.util.Collection; /** * This is the home interface for Product.  This interface * is implemented by the

package examples; import java.io.Serializable; /** * Primary Key class for our Product Container-Managed * Entity Bean */public class ProductPK implements java.io.Serializable { 

      Account   examples.AccountHome   examples.Account   examples.AccountLocalHome   examples.AccountLocal   examples.AccountBean   Bean   examples.AccountPK   False       jdbc/ejbPool    javax

package examples;import javax.ejb.*;import javax.naming.*;import java.rmi.*;import javax.rmi.*;import java.util.*;/** * Sample client code which manipulates a Bank Account Entity Bean. */public cl

package examples;import java.sql.*;import javax.naming.*;import javax.ejb.*;import java.util.*;/** * Demonstration Bean-Managed Persistent Entity Bean. * This Entity Bean represents a Bank Account

 http://www.bea.com/servers/wls600/dtd/weblogic-ejb-jar.dtd" >                 Product                     1000                     WebLogic_CMP_RDBMS   6.0   MET

import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException;public class FileTest { /**  * @param args  * @throws IOException  */ public static void m

package examples;import javax.ejb.*;/** * This is the local interface for AccountBean. * * This interface is what clients operate on when they interact with * beans. The container will implement t

 http://java.sun.com/j2ee/dtds/ejb-jar_2_0.dtd">       Product   examples.ProductHome   examples.Product   examples.ProductBean   Container   java.lang.String      False 

 -//BEA Systems, Inc.//DTD WebLogic 6.0.0 EJB RDBMS Persistence//EN http://www.bea.com/servers/wls600/dtd/weblogic-rdbms-persistence.dtd>   Product  ejbPool  Products     name 

package examples;import javax.ejb.*;import java.rmi.RemoteException;/** * This is the remote interface for AccountBean. * * This interface is what clients operate on when they interact with * bean

package examples;import javax.ejb.*;import javax.naming.*;import java.rmi.*;import javax.rmi.*;import java.util.*;/** * Sample client code which manipulates a Bank Account Entity Bean. */public cl

package examples;import javax.ejb.*;import java.util.Collection;/** * This is the local home interface for Account.  This * interface is implemented by the EJB containers tools - the * implemente

package examples; import javax.ejb.*;import javax.naming.*;import java.rmi.*;import java.util.*; /** * Client test application on a Container-Managed Entity Bean, Product. */public

      Account               100                         jdbc/ejbPool ejbPool              AccountHome    AccountLocalHome