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Oracle Oracle Java ✓ Updated May 2026

Oracle Java EE 7 Application Developer

Exam Code: 1Z0-900
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About the 1Z0-900 Exam

The Oracle Java EE 7 Application Developer exam, code 1Z0-900, is a comprehensive certification test designed for experienced Java developers seeking to validate their skills in building enterprise-level applications using the Java Platform, Enterprise Edition 7. This exam, offered by Oracle, focuses on core Java EE 7 technologies, including web services, servlets, JavaServer Faces, Enterprise JavaBeans, and context and dependency injection. Candidates are expected to demonstrate proficiency in designing and implementing scalable, secure, and portable applications that leverage the full power of the Java EE 7 platform.

This certification is ideal for developers who work on complex, multi-tiered systems in industries such as finance, healthcare, and e-commerce, where reliability and performance are critical. By earning the 1Z0-900 credential, professionals prove their ability to create robust backend services and integrate them with front-end components using standards like JAX-RS and WebSocket. The exam validates practical knowledge of annotations, deployment descriptors, and transaction management, making it a valuable asset for career advancement in enterprise Java development.

In the rapidly evolving tech landscape, Oracle Java EE 7 skills remain highly relevant, as many legacy and modern systems still rely on this platform. The 1Z0-900 exam covers essential topics like security, concurrency, and batch processing, ensuring that certified developers can handle real-world challenges. With 142 practice questions available, candidates can thoroughly prepare to master the exam objectives and demonstrate their expertise in building maintainable, enterprise-grade solutions that meet industry standards.

Who Should Take the 1Z0-900 Exam?

This exam is intended for experienced Java developers, such as Java EE application developers, software engineers, and enterprise architects, who have at least two years of hands-on experience with Java EE technologies. Candidates should have a solid understanding of Java SE fundamentals and familiarity with web and business tier components. No formal prerequisites are required, but practical experience with Java EE 7 is strongly recommended.

Topics Covered in 1Z0-900

📊
Java EE 7 platform overview and architecture
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Servlet and JavaServer Pages (JSP) development
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JavaServer Faces (JSF) 2.2 component and lifecycle
🛡️
Enterprise JavaBeans (EJB) 3.2 session beans and transactions
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Java Persistence API (JPA) 2.1 entity mapping and queries
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Contexts and Dependency Injection (CDI) 1.1 scoping and events
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JAX-RS 2.0 RESTful web services and JAX-WS SOAP services
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WebSocket, JSON processing, and batch applications

Preparation Tips for 1Z0-900

Study the official Oracle Java EE 7 tutorial and documentation to understand core APIs and annotations thoroughly.
Practice with the 142 sample questions to familiarize yourself with the exam format and identify weak areas.
Build a complete Java EE 7 project using GlassFish or WildFly to gain hands-on experience with servlets, EJBs, and JPA.
Focus on CDI scopes, bean discovery, and producer methods as they are heavily tested in the 1Z0-900.
Review JAX-RS and JAX-WS annotations, error handling, and client APIs to master web service topics.

Frequently Asked Questions — 1Z0-900

What is the passing score for the 1Z0-900 exam?

The passing score for the Oracle 1Z0-900 exam is typically around 65%, but Oracle does not publish exact percentages. You need to achieve a scaled score of 65% or higher to pass, as determined by the exam's difficulty level.

How many questions are on the 1Z0-900 exam, and what is the time limit?

The 1Z0-900 exam consists of 60 multiple-choice and multiple-answer questions, with a time limit of 120 minutes. Some questions may be scenario-based, requiring you to analyze code snippets or architectural diagrams.

Does the 1Z0-900 exam cover Java EE 8 or newer versions?

No, the 1Z0-900 exam is specifically for Java EE 7 and does not cover Java EE 8 or later. The exam focuses on APIs and features from the Java EE 7 specification, such as JPA 2.1, CDI 1.1, and JSF 2.2. If you need to validate skills in newer versions, consider the Java EE 8 or Jakarta EE 9 certifications.

How many questions are in the ExamsTree 1Z0-900 study guide?
The ExamsTree 1Z0-900 PDF study guide contains 142+ practice questions with detailed answer explanations, all mapped to the official Oracle exam objectives.

Why Choose ExamsTree?

ExamsTree 1Z0-900 Study Guide is developed by experienced certification professionals with deep knowledge of Oracle technologies. Our team thoroughly researches each exam domain to provide comprehensive, accurate coverage.

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Exam Details
Vendor Oracle
Questions 142+
Format PDF
Updated 5/24/2026
Cert Oracle Java
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