13 October, 2020

How Many Questions Of 1z0-808 Exam Question

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Page: 1 / 13

Total 156 questions Full Exam Access

Question 1

Given:

And given the commands:
1Z0-808 dumps exhibit

What is the result?

1 null

true false

false false

true true

A ClassCastException is thrown at runtime.

Question 2

Given:

What is the result?

nullRichardDonald

RichardDonald

Compilation fails.

An ArrayIndexOutOfBoundsException is thrown at runtime.

A NullPointerException is thrown at runtime.

Question 3

Which two statements are true about Java byte code? (Choose two.)

It can be serialized across network.

It can run on any platform that has a Java compiler.

It can run on any platform.

It has “.java” extension.

It can run on any platform that has the Java Runtime Environment.

Question 4

Given the code fragment:
1Z0-808 dumps exhibit

Which three code fragments are valid at line n1?
1Z0-808 dumps exhibit

Option A

Option B

Option C

Option D

Option E

Question 5

Given:

What is the result?

10 20 30 40

0 0 30 40

Compilation fails.

An exception is thrown at runtime.

Question 6

Given the code fragment:
1Z0-808 dumps exhibit

What is the result?

2012-02-10

2012-01-30

2012-02-10 00:00

A DateTimeException is thrown at runtime.

Question 7

Which statement best describes encapsulation?

Encapsulation ensures that classes can be designed so that only certain fields and methods of an object are accessible from other objects.

Encapsulation ensures that classes can be designed so that their methods are inheritable.

Encapsulation ensures that classes can be designed with some fields and methods declared as abstract.

Encapsulation ensures that classes can be designed so that if a method has an argument MyType x, any subclass of MyType can be passed to that method.

Question 8

Given the following main method:
1Z0-808 dumps exhibit

What is the result?

5 4 3 2 1 0

5 4 3 2 1

4 2 1

Nothing is printed

Question 9

Given the code fragment:
1Z0-808 dumps exhibit

What is the result?

An exception is thrown at runtim

2014-07-31T01:01:00

2014-07-31

2014-09-30T00:00:00

Question 10

Given the code fragment:
1Z0-808 dumps exhibit

What is the result?

Answer = 0

Invalid calculation

Compilation fails only at line n1.

Compilation fails only at line n2.

Compilation fails at line n1 and line2.

Question 11

What is the name of the Java concept that uses access modifiers to protect variables and hide them within a class?

Encapsulation

Inheritance

Abstraction

Instantiation

Polymorphism

Question 12

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:
1Z0-808 dumps exhibit

Which method signature do you use at line n1?

public int findMax (int[] numbers)

static int[] findMax (int[] max)

static int findMax (int[] numbers)

final int findMax (int[] )

Question 13

Given:

What is the result?

BaseDerivedA

BaseDerivedB

DerivedBDerivedB

DerivedBDerivedA

A ClassCastException is thrown at runtime.

Question 14

Given the code fragment:
1Z0-808 dumps exhibit

What is the result?

Compilation fails.

0 Found

1 Found

3 Found

Question 15

Given:

What is the result?

Compilation fails at line n3 and line n4.

Compilation fails at line n1 and line n2.

Welcome Visit Count:1Welcome Visit Count: 1

Welcome Visit Count:1Welcome Visit Count: 2

Question 16

Which statement is true about the switch statement?

It must contain the default section.

The break statement, at the end of each case block, is optional.

Its case label literals can be changed at runtime.

Its expression must evaluate to a collection of values.

Question 17

Which three statements are true about exception handling? (Choose three.)

Only unchecked exceptions can be rethrown.

All subclasses of the RuntimeException class are not recoverable.

The parameter in a catch block is of Throwable type.

All subclasses of the RuntimeException class must be caught or declared to be thrown.

All subclasses of the RuntimeException class are unchecked exceptions.

All subclasses of the Error class are not recoverable.

Question 18

Given the code fragment:
1Z0-808 dumps exhibit

What is the result?
1Z0-808 dumps exhibit

Option A

Option B

Option C

Option D

Option E

Question 19

Given the code fragments:
1Z0-808 dumps exhibit

And:

Which statement is true?

After line 11, three objects are eligible for garbage collection.

After line 11, two objects are eligible for garbage collection.

After line 11, one object is eligible for garbage collection.

After line 11, none of the objects are eligible for garbage collection.

Question 20

Given these two classes:
1Z0-808 dumps exhibit

Any amount of electricity used by a customer (represented by an instance of the Customer class) must contribute to the customer's bill (represented by the member variable bill) through the useElectricity method.
An instance of the Customer class should never be able to tamper with or decrease the value of the member variable bill.
How should you write methods in the ElectricAccount class at line n1 so that the member variable bill is always equal to the value of the member variable kwh multiplied by the member variable rate?
1Z0-808 dumps exhibit

Option A

Option B

Option C

Option D

Question 21

Given:

What is the result?

Compilation fails.

Page: 1 / 13

Total 156 questions Full Exam Access