1Z0-808 Practice Exam — Free Oracle Certification Prep

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330Practice Questions

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Question 1

Using Loop Constructs

Given the code fragment:

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Which two code fragments, inserted at line n1 independently, print The Top element: 30

A
B
C
D
E

Question 2

Working with Inheritance

Question 3

Working with Selected Classes from the Java API

Question 4

Working with Inheritance

Question 5

Creating and Using Arrays

Question 7

Working with Selected Classes from the Java API

Question 8

Using Operators and Decision Constructs

Question 9

Working with Inheritance

Question 10

Working with Inheritance

Question 11

Working with Methods and Encapsulation

Question 12

Working with Selected Classes from the Java API

Question 13

Working with Java Data Types

Question 14

Using Loop Constructs

Question 15

Working with Inheritance

Question 16

Creating and Using Arrays

Question 17

Handling Exceptions

Question 18

Working with Selected Classes from the Java API

Question 19

Working with Methods and Encapsulation

Question 20

Using Loop Constructs

Question 21

Working with Methods and Encapsulation

Question 22

Working with Methods and Encapsulation

Question 23

Working with Methods and Encapsulation

Question 25

Working with Methods and Encapsulation

Question 26

Using Operators and Decision Constructs

Question 27

Creating and Using Arrays

Page 1 of 14 • Questions 1-25 of 330

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Given:

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What is the result?

A C B A
B C
C A B C
D Compilation fails at line n1 and line n2

Given the code fragment:

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Which code fragment, when inserted at line 9, enables the code to print true?

A String str2 = str1;
B String str2 = new String(str1);
C String str2 = sb1. toString();
D String str2 = "Duke";

Given the following class declarations:
✑ public abstract class Animal
✑ public interface Hunter
✑ public class Cat extends Animal implements Hunter
✑ public class Tiger extends Cat
Which answer fails to compile?

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A Option A
B Option B
C Option C
D Option D
E Option E

Given the code fragment:

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What is the result?

A 1324
B 2313
C 3142
D 4231

Question 7

Working with Selected Classes from the Java API

Question 8

Using Operators and Decision Constructs

Question 9

Working with Inheritance

Question 10

Working with Inheritance

Question 11

Working with Methods and Encapsulation

Question 12

Working with Selected Classes from the Java API

Question 13

Working with Java Data Types

Question 14

Using Loop Constructs

Question 15

Working with Inheritance

Question 16

Creating and Using Arrays

Question 17

Handling Exceptions

Question 18

Working with Selected Classes from the Java API

Question 19

Working with Methods and Encapsulation

Question 20

Using Loop Constructs

Question 21

Working with Methods and Encapsulation

Question 22

Working with Methods and Encapsulation

Question 23

Working with Methods and Encapsulation

Question 25

Working with Methods and Encapsulation

Question 26

Using Operators and Decision Constructs

Question 27

Creating and Using Arrays

Given the code fragment:

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What is the result?

A 2012-02-10
B 2012-02-11
C Compilation fails
D A DateTimeException is thrown at runtime.

Given the code fragment:

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What is the result?

A 3
B 4
C -1
D Compilation fails.

Given:

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And given the code fragment:

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What is the result?

A Compilation fails at line n2.
B Read Book
C Read E-Book
D Compilation fails at line n1.
E Compilation fails at line n3.

Given:

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Which code fragment should you use at line n1 to instantiate the dvd object successfully?

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A Option A
B Option B
C Option C
D Option D

Given:

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What is the result?

A Compilation fails.
B 3 5
C 0 0
D 9 25

Given the code fragment:

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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 the code fragment:

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What is the result?

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

Given the code fragment:

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Which code fragment prints red:blue:small:medium?
A.

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B.

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C.

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D.

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Given the content of the Customer.java and Trader.java files:

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Which two methods can be overridden in the Trader class from the Customer class? (Choose two.)

A m2()
B m3()
C m4()
D m1()

Given the code fragment:

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What is the result?

A 3142
B 2413
C 1324
D 4231

Given:

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Which action fixes the compiler error?

A At line 17, add throws AccessViolationException
B At line 13, add throws LogFileException
C At line 2, replace throws LogFileException with throws AccessViolationException
D At line 7, insert throw new LogFileException ();

You are developing a banking module. You have developed a class named ccMask that has a maskcc method.
Given the code fragment:

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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.)

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