[Free] 2019(Nov) EnsurePass Oracle 1z0-808 Dumps with VCE and PDF 61-70

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Question No.61

Given the following two classes:

image

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?

Any amount of electricity used by a customer (represented by an instance of the customer class) must contribute to the customer#39;s bill (represented by the member variable bill) through the method use Electricity method. An instance of the customer class should never be able to tamper

with or decrease the value of the member variable bill.

image

  1. Option A

  2. Option B

  3. Option C

  4. Option D

Correct Answer: AC

Question No.62

Given the following class:

image

And given the following main method, located in another class:

image

Which three lines, when inserted independently at line n1, cause the program to print a 0 balance?

  1. this.amount = 0;

  2. amount = 0;

  3. acct (0) ;

  4. acct.amount = 0;

  5. acct. getAmount () = 0;

  6. acct.changeAmount(0);

  7. acct.changeAmount(-acct.amount);

  8. acct.changeAmount(-acct.getAmount());

Correct Answer: ACD

Question No.63

Given:

image

What is the result?

  1. false, false

  2. false, true

  3. true, false

  4. true, true

Correct Answer: B

Question No.64

Given:

image

What is the result?

  1. Hello Log 1:0

  2. Hello Log 2:1

  3. Welcome Log 2:1

  4. Welcome Log 1:0

Correct Answer: C

Question No.65

Given the code fragment:

image

What is the result if the integer aVar is 9?

  1. Compilation fails.

  2. 10 Hello Universe!

  3. 10 Hello World!

  4. 9 Hello World!

Correct Answer: C

Question No.66

Which three statements describe the object-oriented features of the Java language?

  1. Objects cannot be reused.

  2. A subclass can inherit from a superclass.

  3. Objects can share behaviors with other objects.

  4. A package must contain more than one class.

  5. Object is the root class of all other objects.

  6. A main method must be declared in every class.

Correct Answer: BCF

Question No.67

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

Given the code fragment:

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?

image

  1. Option A

  2. Option B

  3. Option C

  4. Option D

Correct Answer: BC

Question No.68

Given:

image

What is the result?

  1. Compilation fails.

  2. false true

  3. true false

  4. true true

  5. false false

Correct Answer: B

Question No.69

Given the code fragments:

image

What is the result?

  1. Compilation fails only at line n2.

  2. RTool::exportTool::export

  3. Tool::exportTool:export

  4. Compilation fails only at line n1.

  5. Compilation fails at both line n1 and line n2.

Correct Answer: E

Question No.70

Given:

image

What is the result?

A. 100 0 : 100 200:

B. 100 0 : 100 0 :

C. 100 200 : 100 200 :

D. 100 200 : 100 0 :

Correct Answer: B

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