java软件工程师面试题集.doc

javaEJB1EJB2.0? EJB2.0EJB1.1?BeanEJBEJBEJBEJBEJBEJBEJBJSP,Servlet,EJB,JNDI,JDBC,JMS.2EJBJAVA BEAN:Java Bean Java BeanJavaBeanJava BeanTomcat)Java BeanJava BeanSerializableBeanJava BeanCOMCOMEnterprise Java Bean DCOMJavaRMIEJBEJBWebspereWebLogicEJBEJBEJBEJBEJBEJB3EJB:EJB:Remote Interface package Beans;import javax.ejb.EJBObject;import java.rmi.RemoteException;public interface Add extends EJBObject/some method declareHome Interface package Beans;import java.rmi.RemoteException;import jaax.ejb.CreateException;import javax.ejb.EJBHome;public interface AddHome extends EJBHome/some method declareEJBpackage Beans;import java.rmi.RemoteException;import javax.ejb.SessionBean;import javx.ejb.SessionContext;public class AddBean Implements SessionBean/some method declareJ2EE,MVC1MVC?:MVCModelViewControllerModel JavaBeanEJB View JSPController Servlet2WEB SERVER3J2EE:Je22Sun(multi-diered),(distributed),(component-base)(enterpriese application model).(tier)(clietn tier),web,Business,(EIS)4WEB SERVICEJSWDLJAXPJAXMSOAPUDDI,WSDLWeb ServiceWSDLSOAP(Simple Object Access Protocol)XMLUDDI UDDIWebWeb ServiceWeb Service5BSCS6STRUTS(STRUTS)StrutsJava Servlet/JavaServer PagesWebframework StrutsMVC(Model-View-Controller) Struts.controller servletAction.JSPtagcontroller servlet.XMLJava reflection APIsJavaBeans1?MVCJSP/ServletJ2EE2UMLUML,(),(,),JavaScript1?var re=/d1,8$|.d1,2$/;var str=document.form1.all(i).value;var r=str.match(re);if (r=null)sign=-4;break;elsedocument.form1.all(i).value=parseFloat(str);CORBA1CORBA?CORBA (Common Object Request Broker Architecture) (Object Management Group OMG)(IDL), (binding:) LINUX1LINUXGDILINUXGDI1234*56789Socket(TCPUDPJava)*10Java11JDBC*12XML13Java14JavaJSP17* 2forward redirect3JSPservlet1doGet()doPost()2servletinit()service()3servlet4servlet5servlet6EJB*1EJB2EJBEJBBean EJB EJBRemoteLocalHomeLocalHomeBean2EJBSessionBean EntityBean Message DrivenBeanBeanStatefulStatelessBeanBeanBMPCMP3bean Stateless Session BeanEntity BeanMessage Driven BeanEntity BeanStatefull Session BeanCacheEJB ObjectcreateremoveBeancreateCacheBeanBean4Statefull Session Bean CacheBeanMRUNRUEJBEJB ObjectBeanBeanejbActiveejbPassivate5remotehomeremoteEJBhomeEJBEJB6EJB JNDIJNDI Home HomeCreateRemote Remote12SQLweblogic1 weblogic?WeblogicDomianstartServerNameset MEM_ARGS=-Xms32m -Xmx200m32M200M2 weblogic()?commenvset PRODUCTION_MODE=true3 ? WLS_USERWLS_PWperties.4 weblogic(,Domain)jmsejb,?Domainconfig.xml5 weblogicDomain?helloWorld.jsp,http:/:/helloword.jsp? javaBean?DomainapplicationsWebWebjspJavabeanWEB-INFclasses6 weblogicEJB?DeploymentEJB7 weblogicsslj2ee()sslDemoIdentity.jksDemoTrust.jks KeyStoreSSLEnable SSLCAidentitytrust keystoreSSL8weblogicejbEJBejb-jar.xml,weblogic-ejb-jar.xmlCMPBeanweblogic-cmp-rdbms-jar.xml9EJBHome,.Home10weblogicBeanpersistentnon-persistenpersistentMDB,EJBJMSMDBnonpersistent11j2ee?Session Facade PatternSessionBeanEntityBeanMessage Facade PatternEJB Command PatternCommand