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Updated: Aug 30, 2026
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A Oracle credential still carries real weight in 2026 hiring decisions, and the 1Z0-851 exam is the gatekeeper. Behind 2Pass4sure's Oracle Java Standard Edition 6 Programmer Certified Professional package stands an expert team that verifies each of the 290 practice questions against what the exam currently tests.
Oracle 1Z0-851 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Java Standard Edition 6 Programmer Certified Professional Exam |
| Exam Number: | 1Z0-851 |
| Passing Score: | 61% |
| Exam Price: | USD 245 |
| Real Exam Qty: | 60 |
| Related Certifications: | Oracle Certified Professional, Java EE 5 Web Component Developer Oracle Certified Professional, Java ME 1 Mobile Application Developer Oracle Certified Professional, Java EE 5 Business Component Developer |
| Exam Duration: | 150 minutes |
| Certificate Validity Period: | Retired, no longer active |
| Exam Format: | Single answer, Multiple-choice, Multiple answer |
| Available Languages: | Chinese Simplified, English, Japanese |
| Recommended Training: | Fundamentals of the Java Programming Language, Java SE 6 Java Programming Language, Java SE 6 |
| Exam Registration: | Pearson VUE Registration |
| Sample Questions: | DOWNLOAD DEMO |
| 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 |
|---|---|---|
| Collections and Generics | 14% | - Set, List, Map, and Queue usage - Collection interfaces and implementations - Generic types, methods, and wildcards - NavigableSet and NavigableMap |
| Flow Control | 14% | - Assertions - Transfer statements (break, continue, return) - Iteration statements (for, while, do-while) - Conditional statements (if, switch) |
| Exceptions and Assertions | 8% | - Exception hierarchy and handling - Throw, throws, and try-catch-finally - Custom exceptions |
| Declarations, Initialization and Scoping | 14% | - Package and import statements - Identifiers, keywords, and modifiers - Variable declarations and initialization - Class, interface, enum, and member declarations |
| Object-Oriented Concepts | 14% | - Encapsulation, inheritance, polymorphism - Constructors and initialization order - Overloading and overriding - Abstract classes and interfaces |
| Concurrency | 14% | - Thread creation and lifecycle - Java.util.concurrent utilities - Synchronization and locking - Thread interaction and wait/notify |
| API Contents | 22% | - I/O and file navigation - String, StringBuffer, StringBuilder - Wrapper classes and autoboxing - Regular expressions and pattern matching - Date, time, and formatting APIs |
Answers to the Most Common Questions About Oracle Java Standard Edition 6 Programmer Certified Professional
The 1Z0-851 exam is the official Oracle exam for Oracle Java Standard Edition 6 Programmer Certified Professional. Passing it earns you the Oracle Certified Professional, Java SE 6 Programmer credential, which sits at the Professional level. It is also connected to Oracle Certified Professional, Java ME 1 Mobile Application Developer, Oracle Certified Professional, Java EE 5 Web Component Developer, Oracle Certified Professional, Java EE 5 Business Component Developer, so what you learn carries over if you plan to pursue those paths as well. Employers treat the certification as verified proof of skill, which is why structured preparation with 2Pass4sure's practice questions pays off.
The 1Z0-851 exam contains 60 questions, and the time limit is 150 minutes. Translate that into a pacing plan before exam day: know roughly how long you can afford per item, flag anything that stalls you, and circle back at the end instead of burning minutes. Two or three full timed sessions in 2Pass4sure's test engine will teach you that rhythm far better than untimed reading ever will.
The passing score for the 1Z0-851 exam is 61%, and the official registration fee is USD 245. Remember that a failed attempt means paying that fee again in full for a retake, so treat self-assessment as part of the budget: run 2Pass4sure's practice questions under timed conditions and only book your seat once your scores sit comfortably above the passing bar.
No formal prerequisites; recommended experience with Java SE 5/6 development Eligibility details can change, so before you register, confirm the current requirements on the official exam page: https://education.oracle.com/pls/web_prod-plq-dad/db_pages.getpage?page_id=5001&get_params=p_exam_id:1Z0-851.
You can book the 1Z0-851 exam through the official registration channels below:
Exam delivery method: Proctored onsite at Pearson VUE test centers; retired and no longer available.
Oracle points candidates to the following official training options:
Once the coursework has built your foundation, the fastest way to turn theory into exam readiness is drilling with 2Pass4sure's 290 practice questions for the Oracle Java Standard Edition 6 Programmer Certified Professional exam.
Yes. 2Pass4sure offers a free PDF demo of the Oracle Java Standard Edition 6 Programmer Certified Professional practice questions on the samples page, so you can judge the format and quality yourself before paying anything. Every purchase also includes 365 days of free updates, and after the product expires you can extend the update service at a 50% discount from within your member zone.
If you take the corresponding exam within 60 days of purchase and do not pass, 2Pass4sure backs you with a 100% money-back guarantee. To claim it, submit a scanned copy of your exam enrollment slip together with your official Score Report PDF within 2 days of the exam, and the refund is processed within 7 days. The guarantee does not apply to attempts made within the first 3 days after purchase, to products downloaded without actually sitting the exam, or to free materials and expired orders, and the candidate name must match the payer's name. If you would rather have study material than money, you can instead exchange for two additional exam products of equal value, free of charge, while keeping the update service on your original purchase. Delivery itself is instant: your download is available right after payment and a copy reaches your mailbox within one minute — if nothing arrives within 2 hours, contact customer service. You may install the product on as many computers as you need.
The official Oracle Java Standard Edition 6 Programmer Certified Professional blueprint is organized into 7 domains. The leading areas are:
- Concurrency — 14% of the exam
- Flow Control — 14% of the exam
- Exceptions and Assertions — 8% of the exam
For the complete domain-by-domain breakdown with every subtopic, see the Exam Topics outline above.
Oracle Java Standard Edition 6 Programmer Certified Professional Sample Questions:
Question 1
Given:
10.interface Data { public void load(); }
11.abstract class Info { public abstract void load(); } Which class correctly uses the Data interface and Info class?
A. public class Employee extends Info implements Data {
public void load(){ /*do something*/ } public void Info.load(){ /*do something*/ } }
B. public class Employee implements Info extends Data {
public void load() { /*do something*/ }
}
C. public class Employee extends Info implements Data{
public void Data.load() { /*do something*/ }
public void Info.load() { /*do something*/ }
}
D. public class Employee extends Info implements Data {
public void load() { /*do something*/ }
}
E. public class Employee implements Info extends Data {
public void load(){ /*do something*/ }
public void Info.load(){ /*do something*/ }
}
F. public class Employee implements Info extends Data {
public void Data.load(){ /*do something*/ }
public void load(){ /*do something*/ }
}
Question 2
Given:
10.abstract public class Employee {
11.protected abstract double getSalesAmount();
12.public double getCommision() {
13.return getSalesAmount() * 0.15;
14.}
15.}
16.class Sales extends Employee {
17.// insert method here
18.}
Which two methods, inserted independently at line 17, correctly complete the Sales class? (Choose two.)
A. double getSalesAmount() { return 1230.45; }
B. public double getSalesAmount() { return 1230.45; }
C. private double getSalesAmount() { return 1230.45; }
D. protected double getSalesAmount() { return 1230.45; }
Question 3
Given:
2.public class Hi {
3.void m1() { }
4.protected void() m2 { }
5.}
6.class Lois extends Hi {
7.// insert code here
8.}
Which four code fragments, inserted independently at line 7, will compile? (Choose four.)
A. public void m1() { }
B. void m2() { }
C. protected void m1() { }
D. private void m2() { }
E. private void m1() { }
F. public void m2() { }
G. protected void m2() { }
Question 4
Given classes defined in two different files:
1.package util;
2.public class BitUtils {
3.private static void process(byte[] b) {}
4.}
1.package app;
2.public class SomeApp {
3.public static void main(String[] args) {
4.byte[] bytes = new byte[256];
5.// insert code here
6.}
7.}
What is required at line 5 in class SomeApp to use the process method of BitUtils?
A. SomeApp cannot use the process method in BitUtils.
B. app.BitUtils.process(bytes);
C. process(bytes);
D. BitUtils.process(bytes);
E. import util.BitUtils.*; process(bytes);
F. util.BitUtils.process(bytes);
Question 5
Given:
1.interface TestA { String toString(); }
2.public class Test {
3.public static void main(String[] args) {
4.System.out.println(new TestA() {
5.public String toString() { return "test"; }
6.});
7.}
8.}
What is the result?
A. Compilation fails because of an error in line 1.
B. null
C. An exception is thrown at runtime.
D. Compilation fails because of an error in line 4.
E. Compilation fails because of an error in line 5.
F. test
Solutions:
| Question 1 Answer: D | Question 2 Answer: B,D | Question 3 Answer: A,C,F,G | Question 4 Answer: A | Question 5 Answer: F |
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