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1z0-809 Practice Tests - 1z0-809 Exam Brain Dumps

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Oracle 1z0-809 (Java SE 8 Programmer II) Exam is a certification exam designed for Java developers who want to prove their advanced Java programming skills. 1z0-809 exam is a part of Oracle's Java certification path and is intended for individuals who possess a strong understanding of Java programming concepts and syntax but want to take their skills to the next level. Passing 1z0-809 exam is a great way to demonstrate your expertise in Java programming and improve your chances of landing a high-paying job in the industry.

Oracle 1z0-809 exam preparation requires a deep understanding of the Java programming language and its libraries. Candidates are required to have a solid foundation in Java SE 8 programming concepts and advanced topics. 1z0-809 Exam also requires candidates to have hands-on experience in Java programming and be able to apply their knowledge in real-world scenarios.

Oracle 1z1-809 exam covers a wide range of topics including object-oriented design, functional programming, concurrency, I/O streams, and database access using JDBC. It also requires an understanding of advanced Java concepts such as class design, lambda expressions, generics, and collections.

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First-grade 1z0-809 Practice Tests – Find Shortcut to Pass 1z0-809 Exam

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Oracle Java SE 8 Programmer II Sample Questions (Q152-Q157):

NEW QUESTION # 152
Given the code fragment:
public static void main (String [ ] args) throws IOException {
BufferedReader br = new BufferedReader (new InputStremReader (System.in));
System.out.print ("Enter GDP: ");
/ /line 1
}
Which code fragment, when inserted at line 1, enables the code to read the GDP from the user?

A. int GDP = Integer.parseInt (br.readline());
B. int GDP = br.nextInt();
C. int GDP = Integer.parseInt (br.next());
D. int GDP = br.read();

Answer: A

NEW QUESTION # 153
Given the code fragment:

Which code fragment, when inserted at line n1, enables the code to print /First.txt?

A. Path iP = new Paths ("/First.txt");
B. Path iP = Paths.get ("/", "First.txt");
C. Path iP = new Path ("/First.txt");
D. Path iP = Paths.toPath ("/First.txt");

Answer: B

NEW QUESTION # 154
Given:

and the code fragment:

What is the result?
true

A. false
B. false
true
C. true
false
D. true
false

Answer: D

NEW QUESTION # 155
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.submit (r1);es.execute (c1);
C. Future<String> f1 = (Future<String>) es.execute(r1);Future<String> f2 = (Future<String>) es.execute(c1);
D. es.submit(r1);Future<String> f1 = es.submit (c1);

Answer: D

NEW QUESTION # 156
Given the content of the employee.txt file:
Every worker is a master.
Given that the employee.txt file is accessible and the file allemp.txt does NOT exist, and the code fragment:

What is the result?

A. allemp.txt is created and the content of employee.txt is copied to it.
B. Exception 2
C. The program executes, does NOT affect the system, and produces NO output.
D. Exception 1

Answer: D

NEW QUESTION # 157
......

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