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3 years ago

Need help with the last one or if I got the others wrong

Computers and Technology

1 answer:

Stells [14]3 years ago

3 0

I think the answer would be c? if im wrong my apologies.

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Reference variables allow arguments to be passed by ____________.

son4ous [18]

Answer:

Reference

Explanation:

The Reference type variable is such type of variable in C# that holds the reference of memory address instead of value. Examples for reference type are classes, interfaces, delegates and arrays.

We can pass parameters to the method by reference using <em>ref </em>keyword

It’s mandatory to initialize the variable value before we pass it as an argument to the method in c#

For example,

int x = 10; // Variable need to be initialized

Add(ref x); // method call

If you pass parameters by reference in method definition, any changes made to it affect the other variable in method call.

Here's a sample program:

using System;

namespace ConsoleApplication

{

public class Test

{

public static void Main()

{

int i = 10;

Console.WriteLine("i=" + i);

Add(ref i);

Console.WriteLine("i=" + i);

Console.ReadLine();

}

public static void Add( ref int j)

{

j = j + 10;

Console.WriteLine("j="+j);

}

Output:

i=10

j=20

i=20

7 0

3 years ago

All the processing-of work-done on a computer is performed by the what?

Nat2105 [25]

It's computed by the processor

6 0

3 years ago

Do you play Rocket League

lakkis [162]

Yessirrr like 3 times a week

6 0

3 years ago

Read 2 more answers

Using the world_x database you installed in Module 1, list the countries and the capitals of each country. Modify your query to

Rainbow [258]

Answer:

SELECT country.Name, city.Name

FROM country

JOIN countrylanguage ON country.Code = countrylanguage.CountryCode

JOIN city ON country.Capital = city.ID

WHERE countrylanguage.Language = 'English'

AND countrylanguage.Percentage < 30;

Explanation:

SELECT is used to query the database and get back the specified fields.

City.Name is an attribute of city table.

country.Name is an attribute of country table.

FROM is used to query the database and get back the preferred information by specifying the table name.

country , countrylanguage and city are the table names.

country and countrylanguage are joined based ON country.Code = countrylanguage.CountryCode

countrylanguage and city are joined based ON country.Capital = city.ID

WHERE is used to specify a condition based on which the data is to be retrieved. The conditions are as follows:

countrylanguage.Language = 'English'

countrylanguage.Percentage < 30;

5 0

3 years ago

Homework: Insertion Sort

Serga [27]

Answer:

Explanation:

I have written the code in Java. It contains the class Insertion Sorter which has the InsertionSort function. This function uses the insertion sort algorithm to sort a comparable array and if it fails to do so for whatever reason it throws an Illegal ArgumentException. If it sorts the array correctly it returns the number of changes that needed to be made in order to correctly sort the array. Due to technical difficulties I have attached the code as a text document below and proof of output in the picture below as well.

3 0

3 years ago