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Last Updated: Oct 17, 2026
No. of Questions: 209 Questions & Answers with Testing Engine
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A professional certification is a privilege among IT workers. Earn yours with the Oracle Java SE 8 Programmer II (1z0-809日本語版) preparation labs from PracticeMaterial — 209 practice questions for the 1z0-809日本語 exam.
| Section | Objectives |
|---|---|
| Java File I/O | - NIO.2 API
|
| Building Database Applications with JDBC | - Database connectivity
|
| Java Concurrency | - Multithreading
|
| Java SE 8 Date/Time API | - Date and time handling
|
| Exceptions and Assertions | - Error handling
|
| Java Class Design | - Object-oriented principles
|
| Localization | - Internationalization
|
| Java I/O Fundamentals | - Input and output
|
| Advanced Java Class Design | - Advanced object-oriented features
|
| Java Stream API | - Stream processing
|
| Generics and Collections | - Collections framework
|
| Lambda Built-in Functional Interfaces | - Functional programming
|
The Oracle Java SE 8 Programmer II (1z0-809日本語版) blueprint spans 12 domains — including Localization, Generics and Collections, Lambda Built-in Functional Interfaces. Work the domains in order of weight; the complete outline above lists every subtopic.
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120 minutes for 68 questions. The PracticeMaterial PC dumps' simulated test environment builds the pacing you need — practice without limits on time or place.
The Oracle Java SE 8 Programmer II (1z0-809日本語版) is Oracle's certification exam for Java SE, at the Professional level. It's harder than a driver's license test — but brand-new learning ways make it manageable. Related credentials include Oracle Certified Professional, Java SE 8 Programmer.
Candidates must first pass Oracle Certified Associate Java SE 8 Programmer (1Z0-808). Eligibility rules change over time, so verify the current requirements on the official page (official 1z0-809日本語 exam page) before registering.
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与えられた:
class Book {
int id;
String name;
public Book (int id, String name) {
this.id = id;
this.name = name;
}
public boolean equals (Object obj) { //line n1
boolean output = false;
Book b = (Book) obj;
if (this.id = = b.id) {
output = true;
}
return output;
}
}
and the code fragment:
Book b1 = new Book (101, "Java Programing");
Book b2 = new Book (102, "Java Programing");
System.out.println (b1.equals(b2)); //line n2
どの文が真実ですか?
Correct Answer: D 🗳️
このコードを考えると、
このクラスがインスタンス化されテストされた後、正しい 2 つはどれですか?
Correct Answer: A,D 🗳️
コードの断片を考えると:
List<String> codes = Arrays.asList ("DOC", "MPEG", "JPEG");
codes.forEach (c -> System.out.print(c + " "));
String fmt = codes.stream()
.filter (s-> s.contains ("PEG"))
.reduce((s, t) -> s + t).get();
System.out.println("\n" + fmt);
What is the result?
Correct Answer: C 🗳️
与えられた:
class FuelNotAvailException extends Exception { }
class Vehicle {
void ride() throws FuelNotAvailException {//line n1
System.out.println("Happy Journey!");
}
}
class SolarVehicle extends Vehicle {
public void ride () throws FuelNotAvailException {//line n2
super ride ();
}
}
そしてコードの断片:
public static void main (String[] args) throws Exception {
Vehicle v = new SolarVehicle ();
v.ride();
}
どの変更により、コードフラグメントはHappy Journey !?を出力できますか?
Correct Answer: C 🗳️
与えられた条件:
関数インターフェースを使用してリファクタリングされたコードはどれですか?




Correct Answer: B 🗳️
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