Certification: Oracle Certified Expert, Java EE 6 Java Persistence API Developer
Certification Full Name: Oracle Certified Expert, Java EE 6 Java Persistence API Developer
Certification Provider: Oracle
Exam Code: 1z0-898
Exam Name: Java EE 6 Java Persistence API Developer Certified Expert

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"Java EE 6 Java Persistence API Developer Certified Expert Exam", also known as 1z0-898 exam, is a Oracle certification exam.

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Certification Prerequisites

Certification Notation

If you are certified as Sun Certified Java Programmer (any edition), it also can act as a prerequisite.

Certification overview

This specialized Enterprise edition certification is designed for those candidates who can demonstrate the knowledge in making the efficient use of Enterprise Edition libraries. It is specifically targeted to check the knowledge in usage of Persistence API from Java. Developers who have a lot of experience in building applications using the EE edition and those proficient with the use of Persistence API should look to take up this certification.

The Java persistence API is designed so as to manage the relational data in a JAVA based environment more efficiently. It uses the concept of Object Relational mapping and tests the candidates for certification on the same.

Target audience for the Certification

Experienced developers and Java professionals, as well as Database administrators wishing to enter the world of full scale java development can look to take up this certification to prove their expertise with EE edition and application development. The certification can also be taken up by certified professionals in Java development who are looking for advance knowledge and opportunities in Java programming. Candidates who have taken up application development in EE version of Java can also specialize in Persistence API development after taking up this certification.


There are plenty of job opportunities for professionals who pass the Java certifications from Oracle, this being an expert level certification, presents even more favorable job scenarios to the candidates who can pass the exam. The certification learning objectives have a lot of topics to be covered which is very advantageous for the candidates as it helps them edge out the competition during job interviews for senior software developer posts. The salary ranges for certified Java experts is well above 50000$ per annum.

Associated Exam

To earn the expert level certification, the candidates have to take the 1z0-898 exam from Oracle. This exam is the 2nd step in earning the Expert certification as the first step is to complete the prerequisites.


In order to appear for the exam of Expert level certificate in Java EE Persistence API developer, the candidates must first be a certified Java professional. It does not matter which version of Java the candidates have chosen for their professional certification as long as it's a Professional level certification in Java.

Topics to be covered for appearing in the expert exam -

The expert exam for Enterprise Edition, Persistence API for Java developer focuses on the following topics:

  1. Java's Persistence API - An overview
  2. Auction Application - An introduction
  3. Entity Manager in Java
  4. API Entities in Java Persistence
  5. Modeling Entity Relationships
  6. Persisting Collections and Enums
  7. Object-Relational Mapping and Entity Inheritance
  8. Querying
  9. Persistence API Criteria
  10. Java Persistence API Query Language
  11. Persistence API in a Container
  12. Advanced Java Persistence API Concepts
  13. Implementing Locking Transactions and

The detailed sub-topics and objectives of this certification are available at the vendor's website. It can be inferred that the course syllabus designed for this exam is rigorous and the candidates must exhibit substantial breadth and depth of their knowledge in Java Enterprise edition.

The examination lasts for 135 minutes in which the candidates need to answer 64 questions. The passing score criteria is set at 61% in this exam of multiple choice format questions. Exam is validated against Enterprise Edition 6 of Java.

Validity of the Certification

The Oracle Certified Expert in Java Persistence API development certification comes with lifetime validity. Like other certifications of Oracle, this certification too is valid only against the version of exam it was taken and to upgrade to latest versions, the candidates need to appear for the latest exams.

Steps involved in the certification

There are mainly two steps in getting certified as an expert developer in Java persistence API as mentioned below:

  1. Getting certified as a Java Professional - As a part of the prerequisites, it is necessary that the candidates first pass the professional level certification.
  2. Taking the Expert Persistence API exam - The second step in getting certified is to pass the exam of Expert level developer in JAVA EE persistence API.

Expert Review

It is no doubt that certified professionals in Java earn higher than the average salaries across the entire globe. This expert level certification certainly adds a silver lining in your resume. Expert Java developers with some years of experience behind them can get a lot of adventurous opportunities as Java enterprise architects or technology leads after this certification.

Cuong Nhung, Riverbed Technology

Hanoi, Vietnam

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