//ejb的具體實現文件package simpleejb;import javax.ejb.*;public class TimeFunctionsBean implements SessionBean {  SessionContext sessionContext;  public void ejbCreate() throws CreateException {  }  public void ejbRemove() {  }  public void ejbActivate() {  }  public void ejbPassivate() {  }  public void setSessionContext(SessionContext sessionContext) {    this.sessionContext = sessionContext;  }  public long getTime() {   return  System.currentTimeMillis();  }}