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Oracle 1Z0-804日本語 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Java SE 7 Programmer II Exam |
| Exam Number: | 1Z0-804 |
| Available Languages: | English, Japanese |
| Exam Price: | USD 245 |
| Related Certifications: | Oracle Certified Associate, Java SE 7 Programmer (1Z0-803) |
| Exam Format: | Multiple Select, Multiple Choice |
| Certificate Validity Period: | Valid for life (no expiration) |
| Passing Score: | 65% |
| Exam Duration: | 150 minutes |
| Real Exam Qty: | 65 |
| Recommended Training: | Java SE 7 Programming Oracle Java SE 7 Programmer II Exam Preparation |
| Exam Registration: | Oracle Education Pearson VUE Registration |
| Sample Questions: |  |
| Exam Way: | Online proctored or Onsite at Pearson VUE test centers |
| Pre Condition: | Must hold Oracle Certified Associate, Java SE 7 Programmer (1Z0-803) or equivalent |
| Official Syllabus URL: | https://education.oracle.com/pls/web_prod-plq-dad/db_pages.getpage?page_id=5001&get_params=p_exam_id:1Z0-804 |
Oracle 1Z0-804日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Java Class Design | 15% | - Override hashCode, equals, and toString methods from Object class - Implement inheritance including visibility modifiers and composition - Implement polymorphism - Create and use singleton classes and immutable classes - Implement encapsulation |
| Topic 2: Exceptions and Assertions | 10% | - Use try-catch-finally and try-with-resources statements - Create custom exceptions and use exception chaining - Test invariants by using assertions |
| Topic 3: Java File I/O (NIO.2) | 10% | - Use Path interface to operate on file and directory paths - Use PathMatcher and WatchService - Use DirectoryStream to iterate over directory contents - Use Files class to check, read, delete, copy, move, and manage file attributes |
| Topic 4: Java I/O Fundamentals | 10% | - Read and write data from the console - Use BufferedReader, BufferedWriter, File, FileReader, FileWriter, and RandomAccessFile - Use streams to read and write files |
| Topic 5: Advanced Class Design | 15% | - Develop code that uses abstract classes and methods - Create and use custom annotations - Use enumerated types including methods, constructors, and inheritance in enum types - Develop code that uses final keyword - Create inner classes including static inner class, local class, nested class, and anonymous inner class |
| Topic 6: Localization | 5% | - Read and set the locale by using the Locale object - Build a resource bundle for each locale - Format dates, numbers, and currencies for local use |
| Topic 7: 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 8: Concurrency | 15% | - Create and use Threads and Runnable - Manage thread lifecycle - Use synchronized keyword and java.util.concurrent.atomic package - Use concurrent collections - Use Executor, ExecutorService, Executors, Callable, and Future |
| Topic 9: Generics and Collections | 20% | - Use Comparable and Comparator interfaces - Use type parameters and wildcards - Sort and search collections - Use List, Set, Map, and Deque interfaces and implementations - Create and use generics including generic classes, interfaces, and methods |
1Z0-804日本語 Exam: Your Questions, Answered
The Oracle Java SE 7 Programmer II Exam (1Z0-804日本語版) blueprint spans 9 domains — including Concurrency (15%), Java Class Design (15%), Java I/O Fundamentals (10%). Spend your hours where the percentages are; the full outline above lists every subtopic.
Yes:
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Must hold Oracle Certified Associate, Java SE 7 Programmer (1Z0-803) or equivalent Vendors adjust eligibility rules over time — verify the current requirements on the official page (official 1Z0-804日本語 exam page) before registering.
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Yes — download the free Oracle Java SE 7 Programmer II Exam (1Z0-804日本語版) demo and inspect real questions before paying. Your purchase then stays valid for 365 days with free updates throughout, renewable afterward at 50% off.
The Oracle Java SE 7 Programmer II Exam (1Z0-804日本語版) is Oracle's official exam for the Oracle Certified Professional, Java SE 7 Programmer certification, at the Professional level. It validates practical, job-relevant skills — which is why employers shortlist certified candidates. Related credentials include Oracle Certified Associate, Java SE 7 Programmer (1Z0-803).
Oracle Java SE 7 Programmer II Exam (1Z0-804日本語版) Sample Questions:
DateFormat df;
- A. df = DateFormat.getDateInstance (DateFormat.DEFAULT, Locale.UK);
- B. df = DateFormat.getDateInstance (DateFormat.DEFAULT, UK);
- C. df = DateFormat.getDateInstance (DateFormat.DEFAULT, Locale (UK));
- D. df = new DateFormat.getDateInstance (DateFormat.DEFAULT, Locale.UK);
- E. df = new DateFormat.getDateInstance (DateFormat.DEFAULT, Locale (UK));
Correct Answer: A 🗳️
Explanation: Only visible for ExamTorrent members. You can sign-up / login (it's free).
- A. <key> menu1</key><File Menu>File Menu </value> <key> menu1</key><File Menu>View Menu </value>
- B. menu1m File menu, menu2, view menu
- C. <key name ="menu1">File Menu</key> <key name ="menu1">View Menu</key>
- D. menu1 = File Menu menu2 = View Menu
Correct Answer: D 🗳️
Explanation: Only visible for ExamTorrent members. You can sign-up / login (it's free).
- A. format (long number)
- B. isGroupingUsed()
- C. getAvailableLocales ()
- D. getMaxiraumFractionDigits ()
- E. getInstance()
Correct Answer: E 🗳️
Explanation: Only visible for ExamTorrent members. You can sign-up / login (it's free).
Given:
- A. 1 2 3 4 5
- B. 1 1 1 1 1
- C. 0 1 2 3 4
- D. 0 1 4 3 4
Correct Answer: B 🗳️
Explanation: Only visible for ExamTorrent members. You can sign-up / login (it's free).
public class Main {
public static void main(String... ag) {
Vehicle v = new SportsCar();
System.out.println(v.goes());
Tank t = (Tank) v;
System.out.println(t);
}
}
class Vehicle {
public String goes() {
return "goes ";
};
}
class SportsCar extends Vehicle {
public String goes() {
return "fast ";
};
}
class Tank extends Vehicle {
public String goes() {
return "slow ";
}; }
- A. Option E
- B. Option A
- C. Option D
- D. Option F
- E. Option B
- F. Option C
Correct Answer: A 🗳️
Explanation: Only visible for ExamTorrent members. You can sign-up / login (it's free).
