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1Z0-808 Practice Exam — Free 330+ Questions

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Question 1

Using Loop Constructs

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 the code fragment:

Question Image

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

A
B
C
D
E

Given:

Question Image

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:

Question Image

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?

Question Image

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

Given the code fragment:

Question Image

What is the result?

A 1324
B 2313
C 3142
D 4231

Given the code fragment:

Question Image

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:

Question Image

What is the result?

A 3
B 4
C -1
D Compilation fails.

Given:

Question Image

And given the code fragment:

Question Image

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:

Question Image

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

Question Image

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

Given:

Question Image

What is the result?

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

Given the code fragment:

Question Image

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:

Question Image

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:

Question Image

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

Question Image

B.

Question Image

C.

Question Image

D.

Question Image

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

Question Image

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:

Question Image

What is the result?

A 3142
B 2413
C 1324
D 4231

Given:

Question Image

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:

Question Image

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.)

Question Image

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

Given:

Question Image

And:

Question Image

What is the result?

Question Image

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

Given the code fragment:

Question Image

What is the result?

A 1:2:3:4:5:
B 1:2:3:
C Compilation fails.
D An ArrayOutOfBoundsException is thrown at runtime.

Which three statements are true about the structure of a Java class? (Choose three.)

A A public class must have a main method.
B A class can have only one private constructor.
C A method can have the same name as a field.
D A class can have overloaded static methods.
E The methods are mandatory components of a class.
F The fields need not be initialized before use.

Given:

Question Image

What is the result?

A Compilation fails at line n3 and line n4.
B Compilation fails at line n1 and line n2.
C Welcome Visit Count:1 Welcome Visit Count: 1
D Welcome Visit Count:1 Welcome Visit Count: 2

Given:

Question Image

What is the result?
A.

Question Image

B.

Question Image

C.

Question Image

D.

Question Image

You are asked to create a method that accepts an array of integers and returns the highest value from that array.
Given the code fragment:

Question Image

Which method signature do you use at line n1?

A public int findMax (int[] numbers)
B static int[] findMax (int[] max)
C static int findMax (int[] numbers)
D final int findMax (int[] )

Given the code fragment:

Question Image

What is the result?
A.

Question Image

B.

Question Image

C.

Question Image

D.

Question Image

Given:

Question Image

What is the result?

A 97 98 99 100 null null null
B 97 98 99 100 101 102 103
C Compilation fails.
D A NullPointerException is thrown at runtime.
E An ArraylndexOutOfBoundsException is thrown at runtime.

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