☕ OCA Java Programmer · 1Z0-808

Java SE 8
Programmer I (1Z0-808)

Build a rock-solid foundation in core Java programming — syntax, data types, control flow, OOP and exception handling — and earn the globally recognized Oracle Certified Associate (OCA) credential.

Java Basics Data Types & Operators Arrays & Loops Methods & Encapsulation Inheritance & Polymorphism Exception Handling OCA Certified

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Java Basics & Data TypesClasses, variables, primitives & wrapper types

Operators & Control FlowDecision constructs, loops & arrays

Methods & EncapsulationConstructors, access modifiers & overloading

Inheritance & ExceptionsPolymorphism, interfaces & exception handling

Exam Questions

120

Minutes Duration

65%

Passing Score

Online

Proctored Exam

Why It's Trending

Java Powers the World's Software

From enterprise backends to Android apps, Java remains one of the most widely used programming languages — and the OCA certification is the recognized first step for every aspiring Java developer.

Trending

9M+

Java Developers Worldwide

Java continues to be one of the top programming languages used by enterprises and developers globally.

3M+

Enterprises Run on Java

Banking, e-commerce, and large-scale systems rely heavily on Java for backend development.

Trending

OCA

Globally Recognized Credential

1Z0-808 is the first step toward the Oracle Certified Professional Java Developer credential.

+18%

Higher Pay for Certified Devs

Java certified professionals command a competitive premium in software development roles.

Certification Path

Your Path into Java Development

Start Here

Java Fundamentals & Syntax

Pre-Certification Prep

You Are Here

Java SE 8 Programmer I

1Z0-808 (OCA)

Builds On

Java SE 8 Programmer II

1Z0-809 (OCP)

Advanced

Java EE / Spring Framework

Enterprise Development Track

Specialize

Cloud-Native Java (Microservices)

Cloud Developer Track

Exam 1Z0-808 is the entry-level Oracle Certified Associate credential, validating core Java programming skills — the essential foundation before progressing to the Java SE 8 Programmer II (OCP) certification.

Course Content

Complete Java SE 8 Programmer I Curriculum

Click any module to expand and explore the topics covered in detail.

Java Basics

5 Topics

Define the scope of variables

Define the structure of a Java class

Create executable Java applications with a main method; run from the command line; produce console output

Import other Java packages to make them accessible in your code

Compare and contrast platform independence, object orientation, encapsulation & other Java features

Working with Java Data Types

5 Topics

Declare and initialize variables, including casting of primitive data types

Differentiate between object reference variables and primitive variables

Read or write to object fields

Explain an object's lifecycle: creation, dereference by reassignment & garbage collection

Develop code that uses wrapper classes such as Boolean, Double and Integer

Using Operators and Decision Constructs

4 Topics

Use Java operators; use parentheses to override operator precedence

Test equality between Strings and other objects using == and equals()

Create if, if/else and ternary constructs

Use a switch statement

Creating and Using Arrays

5 Topics

Declare, instantiate, initialize and use one-dimensional arrays

Declare, instantiate, initialize and use multi-dimensional arrays

Create and use while, do/while and for loops including the enhanced for loop

Compare loop constructs

Use break and continue

Working with Methods and Encapsulation

5 Topics

Create methods with arguments and return values, including overloaded methods

Apply the static keyword to methods and fields

Create and overload constructors; differentiate default vs user-defined constructors

Apply access modifiers and encapsulation principles to a class

Determine the effect on object references and primitive values passed into methods

Working with Inheritance

5 Topics

Describe inheritance and its benefits

Develop code using polymorphism; override methods; differentiate reference type vs object type

Determine when casting is necessary

Use super and this to access objects and constructors

Use abstract classes and interfaces

Handling Exceptions

10 Topics

Differentiate among checked exceptions, unchecked exceptions and Errors

Create a try-catch block and determine how exceptions alter program flow

Describe the advantages of exception handling

Create and invoke a method that throws an exception

Recognize common exception classes (NullPointerException, ArithmeticException, ArrayIndexOutOfBoundsException, ClassCastException)

Manipulate data using the StringBuilder class and its methods

Create and manipulate Strings

Create and manipulate calendar data using java.time classes (LocalDateTime, LocalDate, LocalTime, DateTimeFormatter, Period)

Declare and use an ArrayList of a given type

Write a simple Lambda expression that consumes a Lambda Predicate expression

FAQs

Frequently Asked Questions

Who should take the 1Z0-808 exam?

Aspiring Java developers, students and professionals who want to validate their foundational Java programming skills.

Do I need prerequisites for this exam?

There is no mandatory prerequisite, but basic familiarity with programming concepts is helpful before starting this course.

Is the 1Z0-808 exam proctored?

Yes. The exam is delivered as a proctored online exam, monitored to validate candidate identity and exam integrity.

What topics carry the most weight in this exam?

Java data types, control flow, methods, inheritance and exception handling form the core of the exam.

What can I pursue after 1Z0-808?

This certification is the first step toward the Java SE 8 Programmer II (OCP) certification and a strong foundation for enterprise Java development.

How is the exam scored?

The exam consists of 56 multiple choice questions to be completed in 120 minutes, with a passing score of 65%.

Java SE 8
Programmer I (1Z0-808)

Java Powers the World's Software

Your Path into Java Development

Exam 1Z0-808: Java SE 8 Programmer I

Complete Java SE 8 Programmer I Curriculum

Frequently Asked Questions

Become an Oracle Certified Associate Java Programmer

Java SE 8Programmer I (1Z0-808)

Java Powers the World's Software

Your Path into Java Development

Exam 1Z0-808: Java SE 8 Programmer I

Complete Java SE 8 Programmer I Curriculum

Frequently Asked Questions

Become an Oracle Certified Associate Java Programmer

Java SE 8
Programmer I (1Z0-808)