Oracle 1Z1-804 valid exam dumps : Java SE 7 Programmer II Exam
- Exam Code: 1Z1-804
- Exam Name: Java SE 7 Programmer II Exam
- Updated: Oct 25, 2026
- Q&As: 150 Questions and Answers
About Oracle 1Z1-804 Valid Exam Braindumps
Trust is earned in years, not ad campaigns. ValidDumps has spent over a decade in this industry refining the Oracle Java SE 7 Programmer II practice set — 150 practice questions maintained through every blueprint change into 2026.
Oracle 1Z1-804 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Concurrency | 15% | - Use Executor, ExecutorService, Executors, Callable, and Future - Use synchronized keyword and java.util.concurrent.atomic package - Manage thread lifecycle - Use concurrent collections - Create and use Threads and Runnable |
| Topic 2: Exceptions and Assertions | 10% | - Create custom exceptions and use exception chaining - Test invariants by using assertions - Use try-catch-finally and try-with-resources statements |
| Topic 3: Java Class Design | 15% | - Override hashCode, equals, and toString methods from Object class - Implement encapsulation - Implement polymorphism - Implement inheritance including visibility modifiers and composition - Create and use singleton classes and immutable classes |
| Topic 4: String Processing | 10% | - Format strings using printf and format methods - Use regular expressions to create patterns for matching, searching, and replacing - Search, parse, and build strings using String, StringBuilder, and StringBuffer |
| Topic 5: Java I/O Fundamentals | 10% | - Use BufferedReader, BufferedWriter, File, FileReader, FileWriter, and RandomAccessFile - Read and write data from the console - Use streams to read and write files |
| Topic 6: Advanced Class Design | 15% | - Use enumerated types including methods, constructors, and inheritance in enum types - Create and use custom annotations - Create inner classes including static inner class, local class, nested class, and anonymous inner class - Develop code that uses final keyword - Develop code that uses abstract classes and methods |
| Topic 7: Localization | 5% | - Format dates, numbers, and currencies for local use - Build a resource bundle for each locale - Read and set the locale by using the Locale object |
| Topic 8: Java File I/O (NIO.2) | 10% | - Use PathMatcher and WatchService - Use DirectoryStream to iterate over directory contents - Use Path interface to operate on file and directory paths - Use Files class to check, read, delete, copy, move, and manage file attributes |
| Topic 9: Generics and Collections | 20% | - Create and use generics including generic classes, interfaces, and methods - Use List, Set, Map, and Deque interfaces and implementations - Sort and search collections - Use type parameters and wildcards - Use Comparable and Comparator interfaces |
Your Oracle 1Z1-804 Questions, Answered
The Oracle Java SE 7 Programmer II blueprint divides into 9 domains — including Generics and Collections (20%), Java I/O Fundamentals (10%), Java Class Design (15%). Those weights tell you where the points live; plan revision time in the same proportions. The full subtopic list appears above.
Must hold Oracle Certified Associate, Java SE 7 Programmer (1Z0-803) or equivalent Eligibility rules change occasionally, so confirm them on the official page (official 1Z1-804 exam page) before booking.
Yes — the free Oracle Java SE 7 Programmer II demo at ValidDumps shows real questions and answers before you pay. Every purchase includes 365 days of free updates, renewable later at 50% off.
The official format: 150 minutes, 65 questions. That ratio is the real challenge, so practice pacing — time-box each question, mark the stubborn ones, and run full simulations in the ValidDumps PC test engine until the clock stops being scary.
Yes:
Classroom learning ends where self-testing begins — after any course, work through the 150 practice questions for the Oracle Java SE 7 Programmer II to find weak spots before the exam does.
The Oracle Java SE 7 Programmer II is Oracle's official exam for the Oracle Certified Professional, Java SE 7 Programmer credential (Professional level). In the job market it works as portable proof of skill — more interviews, better offers. It pairs naturally with Oracle Certified Associate, Java SE 7 Programmer (1Z0-803).
Two promises. Delivery: payment triggers an automatic email within a minute — instant download, unlimited devices, 24/7 help if nothing arrives within 2 hours. Refund: take the corresponding 1Z1-804 exam within 60 days of purchase, and if you fail, send a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam for a full refund, processed within 7 days. Excluded: exams within 3 days of purchase, candidate names that don't match the payer, and free or expired products. Prefer a swap? Exchange for two equal-value products free.
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The Oracle Java SE 7 Programmer II is delivered Online proctored or Onsite at Pearson VUE test centers — choose whichever suits you when booking.
USD 245 per attempt; 65% to pass. Since a retake bills the full fee again, rehearse with the 150 practice questions from ValidDumps until your mock scores clear the bar with room to spare.
Oracle Java SE 7 Programmer II Sample Questions:
How many Threads are created when passing task to an Executor instance?
- A. A number of Threads equal to the number of CPUs Is used to execute tasks.
- B. A new Thread is used for each task.
- C. A single Thread Is used to execute all tasks.
- D. A number of Threads determined by system load is used to execute tasks.
- E. The method used to obtain the Executor determines how many Threads are used to execute tasks.
- F. A developer-defined number of Threads is used to execute tasks.
Correct Answer: E 🗳️
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Give:
Which is correct?
- A. Employee takes advantage of composition.
- B. Employee "has-an" Email.
- C. Employee "is-a" LetterPrinter.
- D. Employee has low cohesion.
Correct Answer: D 🗳️
Explanation: Only visible for ValidDumps members. You can sign-up / login (it's free).
Given:
What two changes, made independently, will enable the code to compile?
- A. Change Signature of checkingAccount to: CheckingAccount implements Account.
- B. Change the signature of CheckingAccount to: public abstract CheckingAccount
- C. Implement public methods for deposit and withdraw in CheckingAccount.
- D. Make Account an interface.
- E. Implement private methods for deposit and withdraw in CheckingAccount.
- F. Change the signature of Account to: public class Account.
Correct Answer: B,C 🗳️
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Given the classes:
What is the result?
- A. unknown Harry
- B. John Harry
- C. unknown unknown
- D. Compilation fails.
- E. An exception is thrown at runtime.
- F. john unknown
Correct Answer: A 🗳️
Explanation: Only visible for ValidDumps members. You can sign-up / login (it's free).
Which code fragment demonstrates the proper way to handle JDBC resources?
- A. try {
Statement stmt = con.createStatement();
ResultSet rs = stmt.executeQuery (query);
while (rs.next()) (/* . . . */)
} catch (SQLException e) {} - B. try {
Statement stmt = con.createStatement();
ResultSet rs = stmt.executeQuery (query);
while (rs.next()) (/* . . . */)
} finally {
rs.close();
stmt.close();
} - C. try {
ResultSet rs = stmt.executeQuery (query);
Statement stmt = con.createStatement();
while (rs.next()) (/* . . . */)
} finally {
rs.close();
stmt.close();
} - D. try {
ResultSet rs = stmt.executeQuery (query);
statement stmt = con.createStatement();
while (rs.next()) (/* . . . */)
} catch (SQLException e) {}
Correct Answer: B 🗳️
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