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Practice should feel like the real thing. The PC and online versions from Lead2PassExam simulate the 1z0-809日本語 exam environment with intelligent, interactive testing, so you can assess your pace, adjust your timing, and walk into the Oracle Java SE 8 Programmer II (1z0-809日本語版) exam already knowing what to expect.
Oracle 1z0-809日本語 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Concurrency | - Concurrency Utilities - Threading and Runnable |
| Java I/O | - File I/O (NIO.2) - Serialization |
| Functional Programming | - Lambda Expressions - Functional Interfaces |
| Database Access | - JDBC API - SQL Operations via Java |
| Advanced Object-Oriented Concepts | - Abstract Classes and Interfaces - Nested and Inner Classes |
| Streams API | - Stream Operations - Parallel Streams |
| Exceptions and Assertions | - Exception Handling - Assertions |
| Java Class Design | - Polymorphism and Method Overriding - Inheritance and Encapsulation |
| Generics and Collections | - Java Collections Framework - Generic Types and Methods |
Common Questions About Oracle Java SE 8 Programmer II (1z0-809日本語版) and Lead2PassExam
The Oracle Java SE 8 Programmer II (1z0-809日本語版) blueprint breaks down into these main domains:
- Functional Programming
- Exceptions and Assertions
- Java Class Design
Additional domains follow in the official outline, and our question bank covers every one of them.
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Based on the latest exam information, the 1z0-809日本語 exam contains Approx. 85 questions and gives you 150 minutes minutes to complete them. Practicing under the same time limit in our PC or online version is a good way to assess your pace before the real thing.
Oracle lists the following prerequisites for the Oracle Java SE 8 Programmer II (1z0-809日本語版): Recommended: Oracle Certified Associate, Java SE 8 Programmer (1Z0-808) or equivalent Java programming knowledge.
You can verify the details on the official certification page.
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Oracle suggests the following official training options:
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Because it was built for people with little time to spare. The bank covers the important knowledge points of the current Oracle Java SE 8 Programmer II (1z0-809日本語版) blueprint with expert-verified answers, and you study in the format that fits you: a printable PDF you can mark up with a pen, or PC and online versions that simulate the real exam interactively and let you assess your pace. A free demo lets you confirm the quality before you buy, and every purchase includes 365 days of free updates plus a 50% renewal discount afterward.
The current passing score for the 1z0-809日本語 exam is 65%, and the exam fee is $245 USD. Fees and cut scores are set by Oracle, so confirm the latest figures on the official page before you register.
Oracle Java SE 8 Programmer II (1z0-809日本語版) Sample Questions:
Given:
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 Exception {//line n2
super ride ();
}
}
and the code fragment:
public static void main (String[] args) throws FuelNotAvailException,
Exception {
Vehicle v = new SolarVehicle ();
v.ride();
}
Which modification enables the code fragment to print Happy Journey!?
- A. Replace line n2 with void ride() throws Exception {
- B. Replace line n1 with public void ride() throws FuelNotAvailException {
- C. Replace line n2 with private void ride() throws FuelNotAvailException {
- D. Replace line n1 with protected void ride() throws Exception {
Correct Answer: D 🗳️
コードの断片を考えると：
List<Double> doubles = Arrays.asList (100.12, 200.32);
DoubleFunction funD = d -> d + 100.0;
doubles.stream (). forEach (funD); // line n1
doubles.stream(). forEach(e -> System.out.println(e)); // line n2
What is the result?
結果は何ですか？
- A. コンパイルエラーが行n1で発生します。
- B. 200.12300.32
- C. コンパイルエラーが行n2で発生します。
- D. 100.12200.32
Correct Answer: C 🗳️
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コードの断片を考えると：
public class Foo {
public static void main (String [ ] args) {
Map<Integer, String> unsortMap = new HashMap< > ( );
unsortMap.put (10, "z");
unsortMap.put (5, "b");
unsortMap.put (1, "d");
unsortMap.put (7, "e");
unsortMap.put (50, "j");
Map<Integer, String> treeMap = new TreeMap <Integer, String> (new
Comparator<Integer> ( ) {
@Override public int compare (Integer o1, Integer o2) {return o2.compareTo (o2); } } ); treeMap.putAll (unsortMap); for (Map.Entry<Integer, String> entry : treeMap.entrySet () ) { System.out.print (entry.getValue () + " ");
}
}
}
結果は何ですか？
- A. d b e z j
- B. j z e b d
- C. コンパイルエラーが発生します。
- D. z b d e j
Correct Answer: D 🗳️
Given:
class Vehicle {
int vno;
String name;
public Vehicle (int vno, String name) {
this.vno = vno,;
this.name = name;
}
public String toString () {
return vno + ":" + name;
}
}
and this code fragment:
Set<Vehicle> vehicles = new TreeSet <> ();
vehicles.add(new Vehicle (10123, "Ford"));
vehicles.add(new Vehicle (10124, "BMW"));
System.out.println(vehicles);
結果は何ですか？
- A. 10123 Ford
10124 BMW - B. A compilation error occurs.
- C. 10124 BMW
10123 Ford - D. A ClassCastException is thrown at run time.
Correct Answer: D 🗳️
Given:
結果は何ですか？
- A. Bar Hello
Baz Hello - B. Baz Hello
- C. A compilation error occurs in the Daze class.
- D. Bar Hello
Foo Hello
Correct Answer: A 🗳️
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