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Java EE 7 Application Developer Practice Tests Includes

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Java EE 7 Application Developer Practice Tests - 1Z0-900 Mock Exams

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Who created MyExamCloud Java EE 7 Application Developer Practice Tests?

The Java EE 7 Application Developer Practice Questions and study notes are created by highly qualified and Java Certified experts. The Authors has created this online course covering all Java EE 7 Application Developer exam objectives based on latest Oracle's changes.

Exam Process

Java EE 7 Application Developer Exam Information

The Java EE 7 Application Developer (Oracle Certified Professional, Java EE 7 Application Developer) certification improves object-orientated programming and Java fundamental skills. This Java Certification also tests Java SE 8 new features such as 'Lambda expressions' and 'Date and Time API'. As Java Language Specification has been updated for these new features, the experienced Java developers also need to learn the new style of coding by preparing for this exam.

Exam Process

Exam Number: 1Z0-900
Exam Title: Java EE 7 Application Developer

java ee 7 application developer 7 steps

Passing this exam, one can achieve Oracle Certified Professional, Java EE 7 Application Developer from Oracle. The real exam tests your OO and Java EE 7 skills by Single and Multiple choice questions.

Number of Questions: 70 Questions
Exam Duration 150 Minutes
Passing Score: 66%
Exam Format Multiple Choice
(which can have single or multiple answers)
Validated Against Java EE 7
Exam Price Price May vary from Country to country. Refer Oracle site for latest pricing.

The real exam is a computer based test provided by pearsonvue and it can be taken from any local test centers in your country.

Who can take Java EE 7 Application Developer?

Set The New Java Standard With Java EE 7 OCP Certification. Java EE 7 significantly changes the way you write code. Java SE 8 Certification gives you the tools to make the most of new features. The Java EE 7 Oracle Certified Professional (OCP) certification provides a foundational understanding of Java as well as programming in general. So it suits for most Java Professionals starting from beginner to expert.

  • College Students
  • Java Developer looking for Job
  • Java Trainers
  • Java Developers

Sample Questions (5 Nos)

The following practice question is taken from MyExamCloud Java EE 7 Application Developer Study Plan.

Question 1.

Topic: Understand Java EE Architecture

Code:

@Stateless
@Local(CartSession.class)
public class PersistentCartSession implements CartSession {
    @Override

    public HashMap getCartItems(int userId) {
        HashMap cartItems = new HasMap();
        // logic to get cartItems
        return cartItems;

    }
}

@Stateless
@Local(CartSession.class)
public class TransientCartSession implements CartSession {
    // code here
}

@WebServlet(name = "CartServlet", urlPatterns = { "/cart" })
public class CartServlet extends HttpServlet {
    // code here
}

Which of the following code snippet inserted at // code here injects TransientCartSession in CartServlet?

  1. @EJB(beanName = "TransientCartSession")
    CartSession session;

  2. @EJB
    CartSession session;

  3. @EJB(type = "TransientCartSession")
    CartSession session;

Choice A is correct.

The existence of two implementations of the CartSession @Local interface breaks the convention and throws an exception during deployment when we use @EJB annotation without beasnName attribute.Enhancement of the @EJB annotation with the beanName attribute fixes the problem.The value of the beanName attribute is the simple name(getSimpleName) of the desired bean.

@EJB(beanName = "TransientCartSession")
CartSession session;

Exam Objective: Demonstrate understanding of the relationship between bean components, annotations, injections, and JNDI

Question 2.

Topic: Understand Java EE Architecture

You are developing a Java EE application where most of the user interface page requires responsive HTML output. The page must populate navigation menu based on logged in role.

Which of the following Java EE web components can achieve this goal?

  1. Java Servlet
  2. JavaServer Faces
  3. JavaServer Pages
  4. CDI Beans

Choice A and C are correct answers.

The functionality of Java EE web tier is to handle HTTP / HTTPS requests and generate dynamic contents.The Java EE web components are 1. Java Servlet, 2. Java Server Pages(JSP).They will run inside web container.

Choice B is incorrect.JavaServer Faces(JSF) is a web application framework and it is not a Java EE component.

Choice D is incorrect.Contexts and Dependency Injection(CDI) for the Java EE platform is one of several Java EE 6 features that help to knit together the web tier and the transactional tier of the Java EE platform.CDI is a set of services that, used together, make it easy for developers to use enterprise beans along with JavaServer Faces technology in web applications.

Exam Objective: Differentiate between application component functionalities as they apply to different tiers and containers, including Java EE Web Container, Business Logic implementation and WebServices

Question 3.

Topic: Manage Persistence using JPA Entities and BeanValidation

Which of the following statements are not true about entities?

  1. Entities support inheritance
  2. Entities does not support polymorphic associations
  3. Entities support polymorphic queries
  4. Entities does not support polymorphic queries

Choice B and D are correct answers.

Entities support inheritance, polymorphic associations, and polymorphic queries.

Exam Objective: Create JPA Entity and Relationship Object-Relational Mappings (ORM)

Question 4.

Topic: Manage Persistence using JPA Entities and BeanValidation

A developer working in EPractize Labs wants to fetch all customers whose order amount is greater than 500 USD. Assume that Customer entity is super class of PersonalCustomer and CorporateCustomer.
Which query can achieve this?

  1. select c,p,d from Customer c, PersonalCustomer p,  CorporateCustomer  d  where c.orderTotal  > 500 AND p. orderTotal > 500 and d. orderTotal > 500
  2. select c from Customer c where c.orderTotal > 500
  3. select c,p,d from Customer c, PersonalCustomer p,  CorporateCustomer  d  where c.orderTotal > 500
  4. select c,p,d from Customer c, PersonalCustomer p,  CorporateCustomer  d  where d.orderTotal > 500

Choice B is correct

By default, all queries are polymorphic. That is, the FROM clause of a query designates not only instances of the specific entity class(es) to which it explicitly refers, but subclasses as well. The instances returned by a query include instances of the subclasses that satisfy the query conditions. The following query returns all customer, including subtypes of Customer, such as PersonalCustomer and CorporateCustomer.

select c from Customer c where c.orderTotal > 500

Exam Objective: Create and execute JPQL statements

Question 5.

Topic: Implement Business Logic by Using EJBs

Which statement is true about stateful session beans and stateless session beans?

  1. Both stateful and stateless bean instances are required to survive container crashes.
  2. Both stateful and stateless bean instances must be able to handle concurrent invocations from different threads.
  3. A stateful bean with bean-managed transactions must commit or roll back any transaction before returning from a business method.
  4. The container passivates and activates them using methods annotated with @PrePassivate and @PostActivate annotations for stateful session beans.

Choice D is correct

In a stateless session bean with bean-managed transactions, a   business method must commit or roll back a transaction before returning.   However, a stateful session bean does not have this restriction. The container passivates and activates them using methods annotated with @PrePassivate and @PostActivate annotations for stateful session beans.

Exam Objective: Create session EJB components containing synchronous and asynchronous business methods, manage the life cycle container callbacks and use interceptors

27 Java EE 7 Application Developer Practice Questions - Free

You can access 27 Practice Questions for Oracle Certified Professional Java EE 7 Application Developer, from MyExamCloud Exam Simulator

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After Java EE 7 Application Developer Exam

Within 30 minutes of completing your Java EE 7 Application Developer exam, you will receive an email from Oracle notifying you that your exam results are available in CertView. If you have previously authenticated your CertView account, simply login and select the option to "See My New Exam Result Now."

If you have not authenticated your CertView account yet at this point, you will need to proceed with your account authentication.

Authentication requires an Oracle Single Sign On username and password and the following information from your Pearson VUE profile: email address and Oracle Testing ID. You will be taken to CertView to log in once your account has been authenticated.

Sample Java EE 7 Application Developer Certificate

Sample java ee 7 application developer Certificate

Java EE 7 Application Developer Benefits

The reason for taking Oracle Java Certification is to differentiate general programmers from certified experts. You may get additional benefits like getting a good job, salary hike, designation changes, role changes and higher promotion.

Stand out from the millions of Java crowd. Increase your marketability with Java EE 7 Application Developer Certification on the most used programming language in the world - Java.

Related Articles:https://www.epractizelabs.com/myexamcloud/2018/06/20/java-ee-7-application-developer-certification/

How to register for Java EE 7 Application Developer

  • Step 1:Oracle :: Pearson VUEOpen this page, If you are a first time visitor then click on Create an account
  • Step 2:Click on Proctored Exams
  • Step 3:You will see a screen to search exam. Enter the exam code you want to give. You can get exam code details at Java Certifications MyExamCloud Exam Collections
  • Step 4:You will see the exam name, fees for the exam and language of exam in the screen, Click on Schedule this exam.
  • Step 5.You will see Confirm Exam Selection screen, click on the Proceed to Scheduling.
  • Step 6. Now, Enter into the search box, the near by place for test center. Select the test center and click on Next.
  • Step 7.Select Date and Time on which you will write your exam.
  • Step 8.Check the information again, date and time. After confirming then click on the Proceed to Checkout.
  • Step 9.After that you need to check the information and enter the credit card details.

Congrats, you have successfully scheduled your Java Certification exam.

Java EE 7 Application Developer Topics

Understand Java EE Architecture

  • Describe Java EE 7 standards, containers, APIs, and services
  • Differentiate between application component functionalities as they apply to different tiers and containers, including Java EE Web Container, Business Logic implementation and WebServices
  • Create, package and deploy Java EE application 
  • Demonstrate understanding of Enterprise JavaBeans and CDI beans, their lifecycle and memory scopes
  • Demonstrate understanding of the relationship between bean components, annotations, injections, and JNDI

Implement Business Logic by Using EJBs

  • Create session EJB components containing synchronous and asynchronous business methods, manage the life cycle container callbacks and use interceptors
  • Demonstrate understanding of how to control EJB transactions, distinguish Container Managed (CMT) and Bean Managed (BMT) transactions
  • Create EJB timers

Implement SOAP Services by Using JAX-WS and JAXB APIs 

  • Create SOAP Web Services and Clients using JAX-WS API 
  • Define Java to XML Schema mappings to marshall and unmarshall Java Objects by using JAXB API

Create Java Web Applications using JSPs

  • Describe JSP life cycle
  • Describe JSP syntax, use tag libraries and  Expression Language (EL) 
  • Handle errors using Servlets and Java Server Pages

Create Java Applications using WebSockets

  • Understand and utilise WebSockets communication style and lifecycle
  • Create WebSocket Server and Client Endpoint Handlers using JSR 356 API and JavaScript
  • Produce and consume, encode and decode WebSocket messages 

Secure Java EE 7 Applications

  • Describe Java EE declarative and programmatic security and configure authentication using application roles and security constraints and Login Modules
  • Describe WebServices security standards

Use Concurrency API in Java EE 7 Applications

  • Demonstrate understanding of Java Concurrency Utilities and use Managed Executors

Manage Persistence using JPA Entities and BeanValidation 

  • Create JPA Entity and Relationship Object-Relational Mappings (ORM)
  • Use Entity Manager to perform database operations, transactions and locking with JPA entities
  • Handle entity data with conversions, validations, and key generation
  • Create and execute JPQL statements

Use Java Message Service API

  • Describe the Java Message Service (JMS) messaging models and implement Java SE and Java EE message producers and consumers, including Message-Driven beans
  • Use transactions with JMS API

Create Java Web Applications using Servlets

  • Create Java Servlets, describe how they are mapped to urls and use HTTP methods
  • Handle HTTP headers, parameters, cookies
  • Manage servlet life cycle with container callback methods and WebFilters

Implement REST Services using JAX-RS API

  • Understand and Apply REST service conventions 
  • Create REST Services and clients using JAX-RS API

Develop Web Applications using JSFs

  • Describe JSF arcitecture, lifecycle and  navigation
  • Understand JSF syntax and use JSF Tag Libraries
  • Handle localisation and produce messages
  • Use Expression Language (EL) and interact with CDI beans

Use CDI Beans 

  • Create CDI Bean Qualifiers, Producers, Disposers, Interceptors, Events and Stereotypes

Use Batch API in Java EE 7 Applications

  • Describe batch jobs using JSL XML documents and JSR 352 API

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