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Oracle Oracle Certified Associate ✓ Updated May 2026

Java SE 8 Programmer I

Exam Code: 1Z0-808
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About the 1Z0-808 Exam

The Oracle Java SE 8 Programmer I exam (1Z0-808) is the foundational certification for Java developers seeking to validate their core Java skills. Offered by Oracle, this exam is designed for individuals who have a solid understanding of Java programming basics, including object-oriented concepts, data types, and control flow. It covers essential topics such as Java syntax, arrays, loops, exception handling, and working with the Java API. Passing this exam earns you the Oracle Certified Associate (OCA) credential, a widely recognized entry-level certification that demonstrates your ability to write and debug basic Java applications.

This exam is ideal for aspiring Java developers, students, or professionals transitioning to Java from other languages. The 1Z0-808 focuses specifically on Java SE 8 features, including lambda expressions and functional interfaces, which are critical for modern Java development. Real-world use cases include building simple desktop applications, understanding legacy codebases, and preparing for more advanced certifications like the Java SE 8 Programmer II exam. In the industry, the OCA credential is often a prerequisite for junior developer roles and signals to employers that you have a strong grasp of Java fundamentals.

Why does this exam matter? With Java remaining a top programming language for enterprise applications, Android development, and cloud services, the 1Z0-808 certification provides a competitive edge. It proves you can handle common programming tasks like creating classes, using inheritance, and handling exceptions—skills that are directly applicable in real-world projects. By earning this certification, you demonstrate a commitment to professional growth and a standardized level of proficiency that hiring managers trust. The exam's 225 practice questions on our site help you master the material efficiently, ensuring you're well-prepared for the actual test.

Who Should Take the 1Z0-808 Exam?

This exam is intended for entry-level Java developers, students, or IT professionals who have at least a basic understanding of Java programming. Typical job roles include Junior Java Developer, Software Engineer Trainee, or Java Programmer. Prerequisites include familiarity with Java syntax and concepts such as variables, loops, and methods; no prior certification is required.

Topics Covered in 1Z0-808

📊
Java Basics: Data Types, Variables, and Operators
📜
Working with Java Strings and StringBuilder
💡
Using Arrays and ArrayList Collections
🛡️
Control Flow: if-else, switch, and Loops
🏗️
Object-Oriented Programming: Classes and Objects
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Inheritance, Polymorphism, and Encapsulation
⚖️
Exception Handling with try-catch and throws
🎯
Lambda Expressions and Functional Interfaces

Preparation Tips for 1Z0-808

Focus on Java SE 8 features like lambda expressions and the java.time package, as these are heavily tested in the 1Z0-808 exam.
Practice writing code by hand, as the exam includes multiple-choice questions that require you to predict output or identify errors without an IDE.
Review Oracle's official Java documentation for key classes like String, StringBuilder, and ArrayList to understand their methods and behaviors.
Take timed practice exams to build speed and accuracy, especially for complex questions involving inheritance and polymorphism.
Join online study groups or forums dedicated to the OCA Java SE 8 certification to discuss tricky topics and share resources.

Frequently Asked Questions — 1Z0-808

What is the passing score for the 1Z0-808 exam?

The passing score for the Oracle Java SE 8 Programmer I exam (1Z0-808) is 65%. This means you need to answer at least 65% of the questions correctly to earn your OCA certification. The exam consists of 70 multiple-choice and multiple-answer questions, and you have 150 minutes to complete it.

Are there any prerequisites for taking the 1Z0-808 exam?

There are no formal prerequisites for the 1Z0-808 exam. However, Oracle recommends that candidates have at least 6-12 months of Java programming experience, including familiarity with Java SE 8 features like lambda expressions and the java.time API. A basic understanding of object-oriented programming is also essential.

How long is the OCA Java SE 8 certification valid?

The Oracle Certified Associate (OCA) credential for Java SE 8 does not expire. Once you pass the 1Z0-808 exam, your certification is valid for life. However, Oracle may retire older certifications over time, so it's advisable to stay current with newer Java versions for career advancement.

How many questions are in the ExamsTree 1Z0-808 study guide?
The ExamsTree 1Z0-808 PDF study guide contains 225+ practice questions with detailed answer explanations, all mapped to the official Oracle exam objectives.

Why Choose ExamsTree?

ExamsTree 1Z0-808 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 225+
Format PDF
Updated 5/24/2026
Cert Oracle Certified Associate
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