Download Oracle 1z0-808 Sample Questions [Dec-2024]
Real 1z0-808 Exam Questions and Answers FREE
To take the Oracle 1z0-808 exam, candidates should have a solid understanding of Java programming fundamentals, including variables, data types, operators, control structures, classes, and objects. They should also be familiar with object-oriented programming concepts, such as inheritance, encapsulation, and polymorphism. Additionally, candidates should have experience working with Java libraries and APIs.
NEW QUESTION # 221
Given:
Which option enables the code to compile?
- A. Option C
- B. Option D
- C. Option A
- D. Option B
Answer: A
NEW QUESTION # 222
Given:
What is the result?
- A. true true
- B. false true
- C. false false
- D. true false
- E. Compilation fails.
Answer: D
Explanation:
NEW QUESTION # 223
Given the code fragment:
What is the result?
(green, red, yellow, cyan)
- A. An IndexOutOfBoundsExceptionis thrown at runtime.
- B.
- C. (green, blue, yellow, cyan)
- D. (green, red, cyan, yellow)
Answer: B
NEW QUESTION # 224
Given the code fragment:
What is the result?
- A. 2014-07-31
- B.
- C. An exception is thrown at runtime.
2014-07-31T01:01:00 - D. 2014-09-30T00:00:00
Answer: A
NEW QUESTION # 225
The protected modifier on a Field declaration within a public class means that the field ______________.
- A. Can be read but not written from outside the class
- B. Cannot be modified
- C. Can be read and written from this class and its subclasses defined in any package
- D. Can be read and written from this class and its subclasses only within the same package
Answer: C
NEW QUESTION # 226
Given the following classes:
Which two options fail to compile when placed at line n1 of the main method? (Choose two.)
- A. employee.salary = 50_000;
- B. manager.stockOption = 500;
- C. director.stockOptions = 1_000;
- D. director.salary = 80_000;
- E. employee.budget = 200_000;
- F. manager.budget = 1_000_000;
Answer: B,E
NEW QUESTION # 227
Given:
What is the result?
- A. 9 25
- B. 3 5
- C. Compilation fails.
- D. 0 0
Answer: B
NEW QUESTION # 228
Given the code fragment:
Which option can replace xxx to enable the code to print 135?
- A. Option B
- B. Option D
- C. Option C
- D. Option A
Answer: A
NEW QUESTION # 229
Given the code fragment:
Which two modifications, when made independently, enable the code to print joe:true: 100.0? (Choose two.)
- A. Option C
- B. Option A
- C. Option E
- D. Option D
- E. Option B
Answer: A,B
NEW QUESTION # 230
Given the code fragment:
What is the result?
- A. Null element 0
Null element 1 - B. Null
Null - C. Element 0
Element 1 - D. A NullPointerException is thrown at runtime.
Answer: D
NEW QUESTION # 231
Given the code fragment:
Test.java
Which is the result?
- A. Option E
- B. Option D
- C. Option C
- D. Option A
- E. Option B
Answer: A
NEW QUESTION # 232
Given the following classes:
Which two options fail to compile when placed at line n1 of the main method?
- A. employee.salary = 50_000;
- B. manager.stockOption = 500;
- C. director.stockOptions = 1_000;
- D. director.salary = 80_000;
- E. employee.budget = 200_000;
- F. manager.budget = 1_000_000;
Answer: B,E
NEW QUESTION # 233
Given:
And given the commands:
What is the result?
- A. An exception is thrown at runtime
- B. Success
- C. Compilation fails.
- D. Failure
Answer: D
NEW QUESTION # 234
Given:
What is the result?
- A. Option B
- B. Option D
- C. Option C
- D. Option A
Answer: A
NEW QUESTION # 235
Given:
What is the result?
- A. 3 4 5 6
- B. 3 4 3 6
- C. 5 4 5 6
- D. 3 6 4 6
Answer: C
NEW QUESTION # 236
Given the code fragment:
Test.java:
Which is the result?
- A.
- B. Both the Employeeclass and the Testclass fail to compile.
- C. Compilation fails in the Testclass.
- D. Compilation fails in the Employeeclass.
- E.
Answer: C
NEW QUESTION # 237
Given the code fragment:
And given the requirements:
1. Process all the elements of the array in the reverse order of entry.
2. Process all the elements of the array in the order of entry.
3. Process alternating elements of the array in the order of entry.
Which two statements are true? (Choose two.)
- A. Requirements 2 and 3 CANNOT be implemented by using the standard for loop.
- B. Requirements 1, 2, and 3 can be implemented by using the standard for loop.
- C. Requirement 3 CANNOT be implemented by using either the enhanced for loop or the standard for loop.
- D. Requirements 1, 2, and 3 can be implemented by using the enhanced for loop.
- E. Requirement 2 can be implemented by using the enhanced for loop.
Answer: A,B
NEW QUESTION # 238
Which three are advantages of the Java exception mechanism? (Choose three.)
- A. Improves the program structure because the programmer can choose where to handle exceptions
- B. Improves the program structure because the error handling code is separated from the normal program function
- C. Improves the program structure because exceptions must be handled in the method in which they occurred
- D. Allows the creation of new exceptions that are customized to the particular program being created
- E. Provides a set of standard exceptions that covers all possible errors
Answer: A,B,D
Explanation:
Explanation/Reference: http://javajee.com/introduction-to-exceptions-in-java
NEW QUESTION # 239
Given:
What is the result?
- A. 0 0 : 100 0 :
- B. 100 200 : 100 0 :
- C. 100 200 : 0 0 :
- D. 100 200 : 100 200 :
Answer: B
NEW QUESTION # 240
What is the proper way to defined a method that take two int values and returns their sum
as an int value?
- A. void sum (int first, int second) { return first + second; }
- B. int sum(int first, int second) { return first + second; }
- C. sum(int first, int second) { return first + second; }
- D. int sum(int first, int second) { first + second; }
- E. int sum(int first, second) { return first + second; }
Answer: B
NEW QUESTION # 241
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