Free PDF Quiz 2025 1z0-809: Pass-Sure Interactive Java SE 8 Programmer II Practice Exam

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Oracle 1z1-809 (Java SE 8 Programmer II) certification exam is designed to test the advanced Java programming skills of experienced developers. 1z0-809 exam is aimed at individuals who have already passed the Java SE 8 Programmer I exam and want to further their knowledge and expertise in the Java programming language. Passing the 1z1-809 exam demonstrates a high level of proficiency in Java programming.

The Oracle 1z0-809 exam consists of 85 multiple-choice and drag-and-drop questions, which you must complete within 150 minutes. 1z0-809 Exam covers a range of topics, including Java Class Design, Generics and Collections, Lambda Built-in Functional Interfaces, Java Stream API, Java I/O Fundamentals, Java Concurrency, Building Database Applications with JDBC, and Localization. Passing the Oracle 1z0-809 exam is a great way to demonstrate your advanced Java programming skills and enhance your career opportunities in the field of software development.

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Free PDF Quiz 2025 Oracle Updated Interactive 1z0-809 Practice Exam

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Oracle Java SE 8 Programmer II Sample Questions (Q167-Q172):

NEW QUESTION # 167
Given the content:

and the code fragment:

What is the result?

A. The program prints nothing.
B. A compilation error occurs.
C. username = Entrez le nom d'utilisateur
password = Entrez le mot de passe
D. username = Enter User Name
password = Enter Password

Answer: C

NEW QUESTION # 168
Given:
class Sum extends RecursiveAction { //line n1
static final int THRESHOLD_SIZE = 3;
int stIndex, lstIndex;
int [ ] data;
public Sum (int [ ]data, int start, int end) {
this.data = data;
this stIndex = start;
this. lstIndex = end;
}
protected void compute ( ) {
int sum = 0;
if (lstIndex - stIndex <= THRESHOLD_SIZE) {
for (int i = stIndex; i < lstIndex; i++) {
sum += data [i];
}
System.out.println(sum);
} else {
new Sum (data, stIndex + THRESHOLD_SIZE, lstIndex).fork( );
new Sum (data, stIndex,
Math.min (lstIndex, stIndex + THRESHOLD_SIZE)
).compute ();
}
}
}
and the code fragment:
ForkJoinPool fjPool = new ForkJoinPool ( );
int data [ ] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
fjPool.invoke (new Sum (data, 0, data.length));
and given that the sum of all integers from 1 to 10 is 55.
Which statement is true?

A. The program prints several values whose sum exceeds 55.
B. The program prints several values that total 55.
C. The program prints 55.
D. A compilation error occurs at line n1.

Answer: B

NEW QUESTION # 169
Given:
public class Test<T> {
private T t;
public T get () {
return t;
}
public void set (T t) {
this.t = t;
}
public static void main (String args [ ] ) {
Test<String> type = new Test<>();
Test type 1 = new Test ();//line n1
type.set("Java");
type1.set(100);//line n2
System.out.print(type.get() + " " + type1.get());
}
}
What is the result?

A. A compilation error occurs. To rectify it, replace line n2 with:
type1.set (Integer(100));
B. Java 100
C. A compilation error occurs. To rectify it, replace line n1 with:
Test<Integer> type1 = new Test<>();
D. java.lang.string@<hashcode

Answer: C

NEW QUESTION # 170
Given the code fragment:
Path path1 = Paths.get("/app/./sys/");
Path res1 = path1.resolve("log");
Path path2 = Paths.get("/server/exe/");
Path res1 = path2.resolve("/readme/");
System.out.println(res1);
System.out.println(res2);
What is the result?

A. /app/./sys/log/readme
B. /app/./sys/log/server/exe/readme
C. /app/sys/log/readme/server/exe
D. /app/log/sys/server/exe/readme

Answer: B

NEW QUESTION # 171
Given:

Which option fails?

A. Foo<Object, Object> percentage = new Foo<String, Integer>("Steve", 100);
B. Foo<String, Integer> mark = new Foo<String, Integer> ("Steve", 100);
C. Foo<String, String> pair = Foo.<String>twice ("Hello World!");
D. Foo<String, String> grade = new Foo <> ("John", "A");

Answer: B

NEW QUESTION # 172
......

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