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OCA · Oracle Certified Associate, Java SE 8

The Java credential, earned — not memorised.

A complete, fact-checked guide to the OCA Java SE 8 Programmer I exam (1Z0-808) — current format, full objectives, cost and a study plan — with live, small-batch Java coaching from people who write Java for a living. We coach the modern Java SE 17 path too.

Start with a free trial class See the exam objectives
56 questions 120 min 65% to pass 1Z0-808
Prepare with us · live coaching

The Java courses behind the credential.

Live, small-batch Java — from first class to fully OCA-ready. From ₹1,499/month, free trial first.

College & adults

Complete Java Masterclass

Zero to enterprise Java — every OCA objective, plus OOP, collections and real projects.

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Teens 13–17

Java Masterclass for Teens

Java from scratch — ideal for ICSE/ISC students and a head start toward certification.

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Java Certification Course guide Java + DSA track Java OOP Concepts deep dive Java for ICSE/ISC school All Java classes pillar
File 01 · What it is

OCA Java SE 8, in plain terms.

OCA — Oracle Certified Associate, Java SE 8 Programmer is earned by passing one exam: Java SE 8 Programmer I (1Z0-808), issued by Oracle, the steward of Java. That vendor authority is the whole point — there is no more credible source for a Java credential. It proves you can read and write correct Java SE 8 code across the language core, not just talk about it.

// accuracy you can trust

Most blogs still print 70–77 questions / 150 minutes — that is the obsolete 2014 launch spec. Oracle's live exam page today lists 56 questions, 120 minutes, 65% to pass. We checked the source so your prep is built on the real numbers.

File 02 · The exam

1Z0-808, by the numbers.

56
multiple-choice questions
120 min
to complete the exam
65%
to pass (~37 of 56)
$245~
exam fee (varies by country)
Credential
Oracle Certified Associate, Java SE 8
Delivery
Pearson VUE — test center or online proctored
Format
Multiple choice
Prerequisites
None (some Java practice recommended)
Validity
Does not expire (tied to Java SE 8)
Retake
14-day wait after a fail (Oracle policy)
One honest caveat: price isn't printed on Oracle's product page — about US$245 is well-attested, but Oracle says it varies by country and currency, so confirm the live figure at checkout for your region before booking.
File 03 · The objectives

Every topic the exam tests.

The exam is tightly scoped to nine official objective areas. Study them one by one — this is the exact map we teach against.

1

Java Basics

  • Scope of variables; structure of a Java class
  • The main method; running from the command line
  • Importing packages
  • Platform independence, OOP, encapsulation
2

Working with Java Data Types

  • Declare, initialise and cast primitives
  • Object references vs primitive variables
  • Object lifecycle & garbage collection
  • Wrapper classes: Boolean, Integer, Double
3

Operators & Decision Constructs

  • Operators and precedence with parentheses
  • == vs equals() for Strings and objects
  • if / if-else / ternary
  • The switch statement
4

Creating & Using Arrays

  • One-dimensional arrays: declare, instantiate, use
  • Multi-dimensional arrays
5

Loop Constructs

  • while, for, enhanced for, do/while
  • Comparing loops; break and continue
6

Methods & Encapsulation

  • Methods with arguments, return values, overloading
  • static methods and fields
  • Constructors (default vs user-defined); access modifiers
  • Encapsulation; pass-by-value effects
7

Inheritance

  • Inheritance & polymorphism; overriding
  • Reference type vs object type; casting
  • super and this
  • Abstract classes and interfaces
8

Handling Exceptions

  • Checked vs unchecked exceptions vs Errors
  • try-catch and program flow
  • Methods that throw; advantages of handling
  • Common classes: NullPointerException, ArithmeticException
9

Selected Java API Classes

  • String and StringBuilder
  • java.time: LocalDate, LocalDateTime, Period
  • ArrayList of a given type
  • A simple Lambda with a Predicate
Where points are won and lost: String immutability and == vs equals(), autoboxing and the Integer cache (−128 to 127), overloading vs overriding, switch fall-through, pass-by-value, and uninitialised local variables. The exam rewards predicting exactly what the compiler and runtime do — which is why we code, not memorise.
File 04 · The path

OCA SE 8, or the modern Java SE 17?

Honest answer: OCA SE 8 is the approachable, legacy foundational cert — still active and recognised. For modern Java, Oracle merged the associate and professional tiers into a single credential. Here is the real comparison so you can choose well.

Legacy foundation · great first cert

OCA Java SE 8

Exam 1Z0-808 · earns "Oracle Certified Associate"
  • Questions56
  • Duration120 min
  • Pass65%
  • ScopeJava core + OOP basics
  • ThenOCP SE 8 (1Z0-809)
Current · single-step professional

Java SE 17 Developer

Exam 1Z0-829 · earns "Oracle Certified Professional"
  • Questions50
  • Duration90 min
  • Pass68%
  • Scope+ streams, lambdas, modules, concurrency, JDBC, records
  • StructureNo separate OCA — one exam = OCP
Our take: if you want an approachable, recognised first Java certificate, OCA SE 8 is a clean target. If you're aiming straight at a professional credential on current Java, prepare for SE 17. We coach both — and we'll help you pick in your free trial.
File 05 · How to prepare

A plan that matches your starting point.

Time-to-ready depends on where you begin. The constant across all of them: write and run real Java code, because the exam tests what the compiler and runtime actually do.

Beginner · 8–12 wks

Learn the language first

Build genuine Java fluency — syntax, types, OOP — then move to exam-specific drilling. This is where our coaching starts.

Some Java · 4–6 wks

Objective-by-objective

Work the nine objective areas in order, compiling snippets to confirm real behaviour, then mock exams.

Experienced · 2–3 wks

Learn the traps

Mostly about the exam's edge cases — the things daily coding lets you ignore. Drill the gotchas and timing.

Final stretch

Mock exams to mastery

Timed full-length mocks until you score comfortably above 65% on fresh papers. Then book with confidence.

File 06 · Why us

A coach who reads your code, live.

Small live batches

4–8 students per class. A mentor sees your compiler errors and your reasoning, and corrects both in real time.

Mapped to the objectives

We teach the nine official objective areas directly, and drill the exact trap patterns the exam loves.

Code, don't cram

Every concept is something you compile and run. That is how output-prediction questions stop being scary.

SE 8 or SE 17

We coach the approachable OCA SE 8 and the modern professional SE 17 path — whichever fits your goal.

Book your free trial class See the Java Masterclass
File 07 · Who & worth

Honest about who it's for.

// who

Students & ICSE/ISC

School students who already learn Java, CS undergraduates and bootcamp grads who want an Oracle-recognised credential on the CV.

// who

Career builders

Aspiring Java, backend and Android developers who want a credible foundation and a clear path toward the professional cert.

// the truth

A signal, not a salary

OCA proves real, code-level Java skill from the most authoritative source. It is an entry-level signal — we won't quote salary numbers Oracle doesn't publish. Pair it with projects to make it land.

File 08 · FAQ

OCA Java, frequently asked.

What is the OCA Java SE 8 certification?
OCA stands for Oracle Certified Associate, Java SE 8 Programmer. You earn it by passing the Java SE 8 Programmer I exam (1Z0-808) from Oracle. It validates that you can read and write correct Java SE 8 code across data types, operators, control flow, arrays, methods, OOP, exceptions and core API classes.
How many questions and how long is 1Z0-808?
Oracle's current page lists 56 multiple-choice questions, 120 minutes, and a 65% pass mark. Ignore the old "70–77 questions / 150 minutes" figures — that is the obsolete 2014 spec.
How much does it cost?
About US$245, though Oracle says pricing varies by country and currency, so confirm at checkout. It's delivered via Pearson VUE (test center or online proctored). Our coaching is separate, from ₹1,499/month.
Do I need prior experience?
No formal prerequisites, but you should be able to read and write basic Java before sitting it. Our coaching builds that from scratch and then drills the objectives.
What topics are covered?
Nine areas: Java basics, data types, operators & decisions, arrays, loops, methods & encapsulation, inheritance, exceptions, and selected Java API classes (String, StringBuilder, ArrayList, java.time).
OCA SE 8 or Java SE 17?
OCA SE 8 (1Z0-808) is the legacy foundational cert, still active. For modern Java, Oracle merged the tiers: Java SE 17 Developer (1Z0-829, 50 questions, 90 minutes, 68%) is a single-exam professional credential. SE 8 is an easier first cert; SE 17 is current and professional-level. We coach both.
How long does preparation take?
Beginners: 8–12 weeks. Already comfortable with basic Java: 4–6 weeks. Experienced developers: 2–3 weeks to learn the exam's edge cases. Coding constantly beats memorising.
What is the difference between OCA and OCP?
For Java SE 8, OCA (1Z0-808) is associate-level and OCP (1Z0-809) is professional-level above it; you earn OCA first. From Java SE 11 onward there is no separate associate tier — a single exam earns OCP directly.
What trips people up most?
String immutability and == vs equals(), autoboxing and the Integer cache, overloading vs overriding, switch fall-through, pass-by-value, and uninitialised local variables. The exam is about predicting exact compiler and runtime behaviour.
Do you guarantee a pass?
No guarantees. We teach the full objective list live, drill the known traps, and keep going until you score comfortably above the pass mark on fresh mocks. Follow the plan and you'll walk in ready.

File your Java credential the right way.

Book a free trial class, meet a mentor, and see exactly how we take you from your first Java line to OCA-ready — live, in a small group.

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