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To pass the Oracle 1z1-809 exam, candidates must have a thorough understanding of Java programming concepts and be able to apply them to real-world scenarios. They must also be familiar with Java SE 8 features such as Lambda expressions and the Stream API. Additionally, candidates should have experience with database development using JDBC and be able to implement localization and internationalization features in Java applications.

Oracle 1z0-809 exam covers advanced topics in Java SE 8 programming, such as Lambda expressions, functional interfaces, streams, concurrency, and JDBC. 1z1-809 Exam includes multiple-choice questions, programming problems, and scenario-based questions that assess your ability to apply Java concepts to real-world scenarios. 1z1-809 exam duration is 150 minutes, and the passing score is 65%.

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Oracle Java SE 8 Programmer II Sample Questions (Q62-Q67):

NEW QUESTION # 62
Given the content:

and the code fragment:

What is the result?

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

Answer: B

NEW QUESTION # 63
Given:
public class Canvas implements Drawable {
public void draw () { }
}
public abstract class Board extends Canvas { }
public class Paper extends Canvas {
protected void draw (int color) { }
}
public class Frame extends Canvas implements Drawable {
public void resize () { }
}
public interface Drawable {
public abstract void draw ();
}
Which statement is true?

A. Boarddoes not compile.
B. Drawabledoes not compile.
C. Paperdoes not compile.
D. All classes compile successfully.
E. Framedoes not compile.

Answer: C

NEW QUESTION # 64
Given the code fragment:
List<String> str = Arrays.asList ("my", "pen", "is", "your', "pen"); Predicate<String> test = s -> {
int i = 0;
boolean result = s.contains ("pen");
System.out.print(i++) + ":");
return result;
};
str.stream()
.filter(test)
.findFirst()
.ifPresent(System.out ::print);
What is the result?

A. A compilation error occurs.
B. 0 : 1 : pen
C. 0 : 0 : 0 : 0 : 0 : pen
D. 0 : 0 : pen
E. 0 : 1 : 2 : 3 : 4 :

Answer: A

NEW QUESTION # 65
Given:

What is the result?

A. ns = 50 s = 50
ns = 125 s = 125
ns = 0 s = 125
B. ns = 50 s = 50
ns = 125 s = 125
ns = 100 s = 100
C. ns = 50 s = 125
ns = 125 s = 125
ns = 100 s = 125
D. ns = 50 s = 125
ns = 125 s = 125
ns = 0 s = 125

Answer: D

NEW QUESTION # 66
Given the code fragments:
class ThreadRunner implements Runnable {
public void run () { System.out.print ("Runnable") ; }
}
class ThreadCaller implements Callable {
Public String call () throws Exception {return "Callable"; )
}
and
ExecutorService es = Executors.newCachedThreadPool ();
Runnable r1 = new ThreadRunner ();
Callable c1 = new ThreadCaller ();
// line n1
es.shutdown();
Which code fragment can be inserted at line n1 to start r1 and c1 threads?

A. es.execute (r1);Future<String> f1 = es.execute (c1) ;
B. Future<String> f1 = (Future<String>) es.execute(r1);Future<String> f2 = (Future<String>)
es.execute(c1);
C. es.submit(r1);Future<String> f1 = es.submit (c1);
D. Future<String> f1 = (Future<String>) es.submit (r1);es.execute (c1);

Answer: C

NEW QUESTION # 67
......

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1z1-809 Valid Test Materials & Certification 1z1-809 Cost

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Oracle Java SE 8 Programmer II Sample Questions (Q62-Q67):

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