Could someone confirm my answers from this practice booklet test so I can feel confident about the upcoming AP Java exam? I am not the best with java terms especially when the booklet doesn't recite any types of definitions or properties.

A constructor (with no arguments) and a body that is empty or provides values for the class instance variables by the programmer is an example of

A Default Constructor (my choice)
An Inherited Constructor
Instantiating a Constructor
Overloading Constructors
Overriding Constructors


A public class method may be invoked after which of the following occurs?

The class is defined. (my choice)
The main method is defined.
All instance variables are assigned.
An instance of the class is created.
The instance methods are invoked.

Answers

Answer 1
First one is correct the second one is incorrect. a method that is public in a class may be invoked when an instance of the class is created

Myclass myclass = new Myclass() <--- instance of the class created

myclass.mymethodinvoked()  <-----invoking public method


Answer 2

Final answer:

Your choice of a Default Constructor is correct, as it is a constructor with no arguments and possibly default assignments. Additionally, a public class method may be invoked once the class is defined; creating an instance or invoking other methods is not required prior to this.

Explanation:

To confirm your understanding for the upcoming AP Java exam, first, a constructor that has no arguments and either an empty body or provides default values for the instance variables is indeed referred to as a Default Constructor. This is typically provided by the compiler if no other constructors are explicitly defined by the programmer.

Secondly, a public class method can be invoked as soon as the class is defined. You do not necessarily need to define the main method, assign all instance variables, create an instance, or invoke instance methods before you can call a public class method. The requirement is that the class containing the method must be accessible and the method itself must be static if you're calling it without creating an object instance.


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Which option describes wearable technology?
A) The incorporation of technology into objects we use regularly
B) Rugged technology that can withstand the elements without much damage
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Answers

My opinion is the answers A and D. I would choose A if you can only choose one, though.

The incorporation of technology into objects we use regularly  best describes wearable technology; A) The incorporation of technology into objects we use regularly.

What is wearable technology?

The Wearable technology is smart electronic devices that can be fused into apparel or worn on the body as inserts or frill. Additionally a classification of innovative gadgets that can be worn by a shopper and frequently incorporate the following data identified with wellbeing and wellness.  

The Other wearable tech contraptions incorporate gadgets that have little movement sensors to take photographs and adjust with your cell phones.

This innovation offers the chance to build the wellbeing of shoppers, with numerous guardians preferring having the option to protect their children.

The incorporation of technology into objects we use regularly  best describes wearable technology; A) The incorporation of technology into objects we use regularly.

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Portfolio. can you mark brainiest answer?

A database application is a collection of forms, reports, queries, and programs that serves as an intermediary between users and database data. Thus option B is correct.

What  is Reports?

A report refers to any document or statement which provides information about any particular subject, or issues to the reader about any particular situation based on facts and supporting evidence.

Computer software known as a database application has as its main function the extraction of information from a digital database. As they offer a practical means of managing big volumes and various kinds of data, it is crucial for organizations.

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Therefore, option B is appropriate.

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The complete question is Probably

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B) database application

C) database hierarchy

D) dimension table

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Answer:

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Explanation:

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A life-jacket is a type of life saving jacket just as the name implies. It is used to suspend the individual that is wearing it on the surface of deep waters.

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Always put on the life-jacket while boating.

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True! pretty sure :D

Answer:

True

Explanation:

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A circuit contains three resistors connected in parallel. The value of R1 is 2 K , the value or R2 is 6 K , and the value of R3 is 10 K . If the supplied voltage is 100 VDC, what is the total power in the circuit?
         
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Answers

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Substituting the known values,

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Substituting,
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Answers

✓ adding rows
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✓ changing column width
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adding rows feature is included in Wordadding columns  feature is included in Worddeleting rows feature is included in Worddeleting columns feature is included in Wordchanging column width feature is included in Wordaligning tables  feature is included in Wordconverting tables to text  feature is included in Wordconverting tables to graphs feature is included in Word

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ASAP

WHEN YOU WANT TO PASS A LARGE TRUCK IN THE CENTER OF THREE LANES, IT'S BEST TO PASS:

A. Quickly on the left and move ahead of it
B. Very slowly on the left and move ahead of it
C. Very quickly on the right and move ahead of it

Answers

I would recommend A. Quickly on the left and move ahead of it because you should always pass on the left and seeing as it is a large truck, you would want to get ahead of it ASAP.

A. Quickly on the left and move ahead of it

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In North America, the combination vehicles made up of a powered semi-tractor and one or more semitrailers are known as "semis", "semitrailers", "tractor-trailers", "big rigs", "semi-trucks", "eighteen-wheelers" or "semi-tractor-trailers".

What is a truck called?

Image result for A LARGE TRUCK

truck, also called lorry, any motor vehicle designed to carry freight or goods or to perform special services such as fire fighting. The truck was derived from horse-driven wagon technology, and some of the pioneer manufacturers came from the wagon business

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The answer to this question is Digital technology.

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In which OSI  model layer does TCP operate?
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1 Link & Physical
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