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Oracle 1z0-809 exam is a certification exam for Java programmers who have already passed the Java SE 8 Programmer I exam. It is designed to test the advanced skills and knowledge required for building robust and scalable Java applications. Passing 1z1-809 exam is a great achievement for any Java developer, as it demonstrates their expertise and proficiency in Java programming.

Oracle 1z0-809 certification exam is designed for experienced Java programmers who are looking to enhance their skills and validate their knowledge in Java SE 8 programming. 1z1-809 Exam is also known as the Java SE 8 Programmer II exam and is the second level of certification for Java SE 8. Passing 1z1-809 exam demonstrates that a programmer has a strong understanding of Java programming language and can efficiently develop Java applications.

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Oracle 1z1-809 Certification Exam is a challenging but rewarding certification for Java programmers who are seeking to enhance their skills and knowledge in Java SE 8 programming. Java SE 8 Programmer II certification exam is an industry-recognized certification that demonstrates the candidate's ability to develop Java applications that are efficient and effective. Passing the exam requires a deep understanding of Java programming concepts and their practical applications.

Oracle Java SE 8 Programmer II Sample Questions (Q75-Q80):

NEW QUESTION # 75
Given the code fragment:

You have been asked to define the ProductCode class. The definition of the ProductCode class must allow c1 instantiation to succeed and cause a compilation error on c2 instantiation.
Which definition of ProductCode meets the requirement?

A. java
public class ProductCode {
private String code;
private ProductCode(String code) {
this.code = code;
}
}
B. java
public class ProductCode {
private String code;
public ProductCode(String code) {
if (code == null) {
throw new IllegalArgumentException("Code cannot be null");
}
this.code = code;
}
}
C. java
public class ProductCode {
private String code;
public ProductCode(String code) {
this.code = code;
}
}
D. java
public class ProductCode {
private String code;
public ProductCode() {
this.code = "default";
}
}

Answer: A

NEW QUESTION # 76
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.next());
B. int GDP = br.nextInt();
C. int GDP = Integer.parseInt (br.readline());
D. int GDP = br.read();

Answer: C

NEW QUESTION # 77
Given the code fragment:
class CallerThread implements Callable<String> {
String str;
public CallerThread(String s) {this.str=s;}
public String call() throws Exception {
return str.concat("Call");
}
}
and
public static void main (String[] args) throws InterruptedException, ExecutionException
{
ExecutorService es = Executors.newFixedThreadPool(4); //line n1
Future f1 = es.submit (newCallerThread("Call"));
String str = f1.get().toString();
System.out.println(str);
}
Which statement is true?

A. An ExecutionException is thrown at run time.
B. The program prints Call Call and does not terminate.
C. A compilation error occurs at line n1.
D. The program prints Call Call and terminates.

Answer: B

NEW QUESTION # 78
Given:
public class ScopeTest {
int j, int k;
public static void main(String[] args) {
ew ScopeTest().doStuff(); }
void doStuff() {
nt x = 5;
oStuff2();
System.out.println("x");
}
void doStuff2() {
nt y = 7;
ystem.out.println("y");
or (int z = 0; z < 5; z++) {
ystem.out.println("z");
ystem.out.println("y");
}
Which two items are fields?

A. z
B. y
C. x
D. k
E. j

Answer: D,E

NEW QUESTION # 79
Given the code fragment:

What is the result?

A. Compilation fails.
B. A B C Work done
C. A Work done
D. A B C D Work done

Answer: C

NEW QUESTION # 80
......

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