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To take the Oracle 1z0-809 exam, you should have a good understanding of Java programming, including topics such as inheritance, polymorphism, interfaces, and exceptions. You should also be familiar with the various Java API packages, including java.time, java.io, and java.util. Additionally, you should be comfortable with using Java tools such as Eclipse or NetBeans to develop, debug, and test Java applications.

Oracle 1z0-809 certification exam is designed to test the knowledge and skills of Java developers who want to gain a deeper understanding of the Java programming language. 1z1-809 Exam is intended for professionals who have already earned the Oracle Certified Associate (OCA) Java SE 8 Programmer certification and are looking to demonstrate their expertise in Java SE 8 programming.

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Oracle 1z1-809 (Java SE 8 Programmer II) is a certification exam designed to test the skills and knowledge required for individuals who want to become certified Java professionals. 1z1-809 exam presents the latest and most advanced Java technology, providing you with the skills and expertise to successfully design, develop, and manage professional-grade applications using Java.

Oracle Java SE 8 Programmer II Sample Questions (Q185-Q190):

NEW QUESTION # 185
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 n1 with protected void ride() throws Exception {
B. Replace line n2 with private void ride() throws FuelNotAvailException {
C. Replace line n1 with public void ride() throws FuelNotAvailException {
D. Replace line n2 with void ride() throws Exception {

Answer: A

NEW QUESTION # 186
Given:
class Book {
int id;
String name;
public Book (int id, String name) {
this.id = id;
this.name = name;
}
public boolean equals (Object obj) { //line n1
boolean output = false;
Book b = (Book) obj;
if (this.name.equals(b name))}
output = true;
}
return output;
}
}
and the code fragment:
Book b1 = new Book (101, "Java Programing");
Book b2 = new Book (102, "Java Programing");
System.out.println (b1.equals(b2)); //line n2
Which statement is true?

A. A compilation error occurs. To ensure successful compilation, replace line n2 with: System.out.println (b1.equals((Object) b2));
B. The program prints false.
C. A compilation error occurs. To ensure successful compilation, replace line n1 with: boolean equals (Book obj) {
D. The program prints true.

Answer: C

NEW QUESTION # 187
Given:

What is the result?

A. 6 8 10
B. 0 1 2
C. 7 8 9
D. Compilation fails
E. 6 7 8

Answer: E

NEW QUESTION # 188
Given the code fragment:

What is the result?

A. Compilation fails at line n1.
B. Compilation fails at line n2.
C. A ClassCastException is thrown at line n1.
D. A ClassCastException is thrown at line n2.
E. Sum is 600

Answer: B

Explanation:
The eclipse compiler said "compilation fails" referring to line 2.

NEW QUESTION # 189
Given the code fragments:

What is the result?

A. Compilation fails only at line n2.
B. RToo1 :: export
Too1 :: export
C. Too1 :: export
Too1 :: export
D. Compilation fails at both line n1 and line n2.
E. Compilation fails only at line n1.

Answer: E

NEW QUESTION # 190
......

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