Download Oracle : 1Z0-851 Questions & Answers as PDF & Test Software
Last Updated: Aug 29, 2026
No. of Questions: 290 Questions & Answers with Testing Engine
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Our Online Test Engine & Self Test Software of TestSimulate 1Z0-851 actual study materials can simulate the exam scene so that you will have a good command of writing speed and time. Then multiple practices make you perfect while in the real Oracle 1Z0-851 exam. The package practice version will not only provide you high-quality 1Z0-851 exam preparation materials but also various studying ways.
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A Oracle credential still carries serious weight with hiring managers in 2026, and Oracle Java Standard Edition 6 Programmer Certified Professional is one of the most direct ways to earn one. Prepare with the 290 expert-verified 1Z0-851 practice questions from TestSimulate and walk into the test center knowing what to expect.
Oracle 1Z0-851 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Java Standard Edition 6 Programmer Certified Professional Exam |
| Exam Number: | 1Z0-851 |
| Related Certifications: | Oracle Certified Professional, Java EE 5 Business Component Developer Oracle Certified Professional, Java ME 1 Mobile Application Developer Oracle Certified Professional, Java EE 5 Web Component Developer |
| Exam Format: | Single answer, Multiple answer, Multiple-choice |
| Exam Price: | USD 245 |
| Real Exam Qty: | 60 |
| Available Languages: | English, Chinese Simplified, Japanese |
| Passing Score: | 61% |
| Exam Duration: | 150 minutes |
| Certificate Validity Period: | Retired, no longer active |
| Recommended Training: | Java Programming Language, Java SE 6 Fundamentals of the Java Programming Language, Java SE 6 |
| Exam Registration: | Pearson VUE Registration |
| Sample Questions: | Oracle 1Z0-851 Sample Questions |
| Exam Way: | Proctored onsite at Pearson VUE test centers; retired and no longer available |
| Pre Condition: | No formal prerequisites; recommended experience with Java SE 5/6 development |
| Official Syllabus URL: | https://education.oracle.com/pls/web_prod-plq-dad/db_pages.getpage?page_id=5001&get_params=p_exam_id:1Z0-851 |
Oracle 1Z0-851 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Collections and Generics | 14% | - NavigableSet and NavigableMap - Collection interfaces and implementations - Set, List, Map, and Queue usage - Generic types, methods, and wildcards |
| Topic 2: Object-Oriented Concepts | 14% | - Constructors and initialization order - Abstract classes and interfaces - Encapsulation, inheritance, polymorphism - Overloading and overriding |
| Topic 3: API Contents | 22% | - String, StringBuffer, StringBuilder - Regular expressions and pattern matching - Wrapper classes and autoboxing - Date, time, and formatting APIs - I/O and file navigation |
| Topic 4: Flow Control | 14% | - Transfer statements (break, continue, return) - Conditional statements (if, switch) - Iteration statements (for, while, do-while) - Assertions |
| Topic 5: Concurrency | 14% | - Synchronization and locking - Thread interaction and wait/notify - Java.util.concurrent utilities - Thread creation and lifecycle |
| Topic 6: Exceptions and Assertions | 8% | - Throw, throws, and try-catch-finally - Custom exceptions - Exception hierarchy and handling |
| Topic 7: Declarations, Initialization and Scoping | 14% | - Identifiers, keywords, and modifiers - Class, interface, enum, and member declarations - Package and import statements - Variable declarations and initialization |
Common Questions About the Oracle 1Z0-851 Exam
The 1Z0-851 exam is the official Oracle exam behind Oracle Java Standard Edition 6 Programmer Certified Professional — passing it earns you the Oracle Certified Professional, Java SE 6 Programmer certification, a credential positioned at the Professional level. It is built for candidates who want to validate the skills measured by Oracle Java Standard Edition 6 Programmer Certified Professional. Depending on your track, the exam is also linked to the Oracle Certified Professional, Java ME 1 Mobile Application Developer, Oracle Certified Professional, Java EE 5 Web Component Developer and Oracle Certified Professional, Java EE 5 Business Component Developer certifications, so one pass can move you toward more than one Oracle credential.
The 1Z0-851 exam presents 60 questions to be completed within 150 minutes. That pace leaves little room for second-guessing: read each question carefully on the first pass, flag the ones you want to revisit, and keep moving instead of stalling on a single item. Before exam day, run at least one full timed session in the TestSimulate desktop or online test engine with a comparable question load — a steady rhythm under the clock is a trainable skill, and it is often what separates a pass from a near miss.
To pass the 1Z0-851 exam you need 61%, and the official registration fee is USD 245. Keep in mind that a failed attempt means paying that fee again in full — retakes are not discounted. Given the cost, self-test before you book: if you can score comfortably above the passing mark on two or three consecutive timed TestSimulate practice tests, your budget is far better spent on the exam itself than on a retake.
No formal prerequisites; recommended experience with Java SE 5/6 development Because Oracle revises its certification programs from time to time, treat this as a starting point rather than the final word. Confirm the current eligibility requirements on the official Oracle exam page before you register.
Registration for the 1Z0-851 exam is handled through the official channels below:
Delivery method: Proctored onsite at Pearson VUE test centers; retired and no longer available — pick the option that suits you best when booking your slot.
Oracle points Oracle Java Standard Edition 6 Programmer Certified Professional candidates toward the following official courses:
Official courses build the foundation; pairing them with the 290 1Z0-851 practice questions from TestSimulate turns that knowledge into exam-day readiness.
Yes. A free PDF demo of the 1Z0-851 practice questions is available, so you can check the question style and answer quality before spending anything. Every purchase also includes 365 days of free updates — whenever Oracle adjusts the Oracle Java Standard Edition 6 Programmer Certified Professional blueprint, your material is refreshed at no cost during that period. After the first year, you can extend the update service at a 50% discount from your member zone.
TestSimulate backs your purchase with a 100% Money Back Guarantee. If you take the corresponding exam within 60 days of purchase and do not pass, you can claim a full refund by submitting a scanned copy of your exam enrollment slip together with the official Score Report PDF within 2 days of your exam date; approved claims are processed within 7 days. The guarantee applies only to the exam matching your purchase, the candidate name must match the payer name, and it does not cover attempts taken within 3 days of purchase, candidates who downloaded the material but never sat the exam, expired orders, or free materials. If you would rather keep preparing, you can exchange the product for two free exam preparation packages of equal value and keep the update service on your original purchase.
Delivery is instant: your download is available right after payment, and a copy is emailed to you within one minute. If nothing arrives within 2 hours, check your spam folder and contact our support team. There is no limit on the number of computers you can install the software on.
The Oracle Java Standard Edition 6 Programmer Certified Professional syllabus is organized into 7 domains. Among the headline areas are Flow Control (14%), Declarations, Initialization and Scoping (14%), Concurrency (14%). Rather than copying every subtopic here, we keep the complete, current outline in the Exam Topics section above — work through it domain by domain with the TestSimulate 1Z0-851 practice questions so nothing on the blueprint catches you off guard.
Oracle Java Standard Edition 6 Programmer Certified Professional Sample Questions:
Question 1
Given:
11.class Alpha {
12.public void foo() { System.out.print("Afoo "); }
13.}
14.public class Beta extends Alpha {
15.public void foo() { System.out.print("Bfoo "); }
16.public static void main(String[] args) {
17.Alpha a = new Beta();
18.Beta b = (Beta)a;
19.a.foo();
20.b.foo();
21.}
22.}
What is the result?
A. Bfoo Afoo
B. Bfoo Bfoo
C. An exception is thrown at runtime.
D. Afoo Bfoo
E. Compilation fails.
F. Afoo Afoo
Question 2
DRAG DROP
Click the Task button.
Question 3
Given:
10.interface Foo { int bar(); }
11.public class Sprite {
12.public int fubar( Foo foo ) { return foo.bar(); }
13.public void testFoo() {
14.fubar(
15.// insert code here
16.);
17.}
18.}
Which code, inserted at line 15, allows the class Sprite to compile?
A. new Foo { public int bar() { return 1; }
B. Foo { public int bar() { return 1; }
C. new class Foo { public int bar() { return 1; }
D. new Foo() { public int bar() { return 1; }
Question 4
Click the Exhibit button. Given: ClassA a = new ClassA(); a.methodA(); What is the result?
A. ClassC is displayed.
B. An exception is thrown at runtime.
C. Compilation fails.
D. The code runs with no output.
Question 5
Given:
1.class Super {
2.private int a;
3.protected Super(int a) { this.a = a; }
4.} ...
11.class Sub extends Super {
12.public Sub(int a) { super(a); }
13.public Sub() { this.a = 5; }
14.}
Which two, independently, will allow Sub to compile? (Choose two.)
A. Change line 2 to: protected int a;
B. Change line 13 to: public Sub() { this(5); }
C. Change line 13 to: public Sub() { super(a); }
D. Change line 13 to: public Sub() { super(5); }
E. Change line 2 to: public int a;
Solutions:
| Question 1 Answer: B | Question 2 Answer: Only visible for members | Question 3 Answer: D | Question 4 Answer: B | Question 5 Answer: B,D |
Antony
Bill
Cleveland
Ellis
Harriet
Justin
Maximilian
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