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1z0-808 Oracle Java SE 8 Programmer I Free Practice Exam Questions (2025 Updated)

Prepare effectively for your Oracle 1z0-808 Java SE 8 Programmer I certification with our extensive collection of free, high-quality practice questions. Each question is designed to mirror the actual exam format and objectives, complete with comprehensive answers and detailed explanations. Our materials are regularly updated for 2025, ensuring you have the most current resources to build confidence and succeed on your first attempt.

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Total 224 questions

Given the code fragment:

Which three lines fail to compile? (Choose three.)

A.

Line 7

B.

Line 8

C.

Line 9

D.

Line 10

E.

Line 11

F.

Line 12

Which two initialization statements are valid? (Choose two.)

A.

Boolean available = “TRUE”:

B.

String tmpAuthor = author, author =”Mc Donald”;

C.

Double price = 200D;

D.

Integer pages = 20;

Given the code fragment:

What is the result?

A.

Match 1

B.

Match 2

C.

No Match

D.

A NullPointerException is thrown at runtime.

Given the code fragment:

What is the result?

A.

An exception is thrown at runtime.

B.

Compilation fails.

C.

13480.0

D.

13480.02

Given the code fragment:

What is the result?

A.

A B C Work done

B.

A B C D Work done

C.

A Work done

D.

Compilation fails

Given:

What is the result?

A.

A B C D

B.

A C D

C.

A C D D

D.

A B D

E.

A B D C

Which two class definitions fail to compile? (Choose two.)

A.

Option A

B.

Option B

C.

Option C

D.

Option D

E.

Option E

Given:

What is the result?

A.

Hello Log 2:2

B.

Welcome Log 1:2

C.

Welcome Log 2:1

D.

Hello Log 1:2

You are developing a banking module. You have developed a class named ccMask that has a maskcc method.

Given the code fragment:

You must ensure that the maskcc method returns a string that hides all digits of the credit card number except the four last digits (and the hyphens that separate each group of four digits).

Which two code fragments should you use at line n1, independently, to achieve this requirement? (Choose two.)

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Given the code fragment:

What is the result?

A.

Answer = 0

B.

Invalid calculation

C.

Compilation fails only at line n1.

D.

Compilation fails only at line n2.

E.

Compilation fails at line n1 and line2.

Given the code fragment:

What is the result?

A.

A NullPointerException is thrown at runtime.

B.

[1, 2, 4]

C.

[1, 2, 4, null]

D.

[1, 3, 4, null]

E.

[1, 3, 4]

F.

Compilation fails.

Given:

What is the result?

A.

97 9899 100 null null null

B.

97 9899 100 101 102 103

C.

Compilation fails.

D.

A NullPointerException is thrown at runtime.

E.

An ArraylndexOutOfBoundsException is thrown at runtime.

Given the code fragment:

What is the result?

A.

May 04, 2014T00:00:00.000

B.

2014-05-04T00:00: 00.000

C.

5/4/14T00:00:00.000

D.

An exception is thrown at runtime.

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.

director.salary = 80_000;

C.

employee.budget = 200_000;

D.

manager.budget = 1_000_000;

E.

manager.stockOption = 500;

F.

director.stockOptions = 1_000;

Given the code fragment:

What is the result?

A.

An exception is thrown at runtime.

B.

2014-07-31T01:01:00

C.

2014-07-31

D.

2014-09-30T00:00:00

Given:

What is the result?

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Given the code fragment:

What is the result?

A.

Compilation fails.

B.

Hi removed

C.

An UnsupportedOperationException is thrown at runtime.

D.

The program compiles, but it prints nothing.

Given:

What is the result?

A.

double sum is 30.0 float sum is 30.0

B.

float sum is 30.0 double sum is 30.0

C.

Integer sum is 30 double sum is 30.0

D.

Integer sum is 30 float sum is 30.0

Given:

And:

What is the result?

A.

ns = 100 s =125

ns = 0 s = 125

ns = 125 s = 125

B.

ns = 50 s = 50

ns = 125 s = 125

ns = 0 s = 125

C.

ns = 50 s = 125 ns = 125 s = 125

ns = 0 s = 125

D.

ns = 50 s = 50 ns = 125 s =125

ns = 100 s =100

Given the code fragment:

Which code fragment at line 10 prints Welcome 100?

A.

Option A

B.

Option B

C.

Option C

D.

Option D

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Total 224 questions
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