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oee [108]
3 years ago
13

Assume that the following code exists inside a method of MyClass, and that this code compiles without errors: int result = book.

getYearPublished();where book is an object of the Book class.Which of the following is not true about the getYearPublished method?(1 point)I. It is a mutator method.II. It is a public method in the Book class.III. It returns a String.1) I only2) II only3) III only4) I and II only5) I and III only
Computers and Technology
1 answer:
kicyunya [14]3 years ago
3 0

Answer:

Option (5)

Explanation:

Since, it is returning a value which is stored in a variable result which is of int type, that is why, III is wrong as it cannot return a string. Moreover, A mutator method is one which changes the value of a private member of a class and they don't return anything of any type. But the statement is returning a value of int type so, it cannot be a mutator method. So, I and III are not true. Since, object of book class is able to access that method , it must be a public method otherwise error would have displayed as objects of class has no access to their private members and can invoke public member functions only. So, II is true.

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The two principal catalysts for the Information Age have been:________.
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Answer:

The two principal catalysts for the Information Age have been computers and communication networks.

Explanation:

Since the invention of computers and internet, people can get the information they need faster than ever before due to the ease of use of both technologies and the relatively cheap price of acquiring the technology.

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Suppose you are working in a computer lab during the work you are facing window failure or other technical issues.How you will s
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3 years ago
Make a program that (i) asks the user for a temperature in Fahrenheit degrees and reads the number; (ii) computes the correspond
Lerok [7]
<h2>Answer:</h2><h2></h2>

//import the Scanner class to allow for user's input

import java.util.Scanner;

//Create a class declaration with appropriate name

public class FahrenheitToCelsius {

   //Begin the main method where execution starts from

   public static void main(String[] args) {

       //Create an object of the Scanner class to allow reading from standard

       // input

       Scanner input = new Scanner(System.in);

       

       //Prompt the user to enter the temperature

       System.out.println("Enter a temperature in Fahrenheit degrees");

       

       //Read the number and store in a variable of type double

       double fahrenheit = input.nextDouble();

       

       

       //Convert the temperature to Celsius

       double celsius  = (fahrenheit - 32) * (5 / 9.0);

       

       //Print out the result

       System.out.println("The temperature in Celsius is " + celsius);

       

   } //End of main method

   

}   //End of class declaration

==============================================================

<h2>Sample Output 1:</h2><h2 />

>> Enter a temperature in Fahrenheit degrees

32

>> The temperature in Celsius is 0.0

==============================================================

<h2>Sample Output 2:</h2><h2 />

>> Enter a temperature in Fahrenheit degrees

78

>> The temperature in Celsius is 25.555555555555557

===============================================================

<h2>Explanation:</h2>

The code has been written in Java and it contains comments explaining every segment of the code. Please go through the comments.

The actual lines of code are written in bold face to separate them from the comments.

Sample outputs have also been given to show how the result of the program looks like.

5 0
3 years ago
customer seeks to buy a new computer for private use at home. The customer primarily needs the computer to use the Microsoft Pow
Savatey [412]

Answer:

A 512 GB Solid State Drive (SSD) will be recommended

Explanation:

Recommended hard disk for the installation of Microsoft PowerPoint application is 3 GB and since the computer is a new one it will be best to buy a hard disc with enough room for expansion, performance speed, durability and reliability

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8 0
3 years ago
What is the output of the following?
lys-0071 [83]

Answer: a. the number is: 14

Explanation:

i mean just try to write in 7 instead of x in the second line

then it would say the number is: ....

what is 7 times 2?

14

so the answer is a

5 0
3 years ago
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