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3 years ago

Given the function definition

Computers and Technology

1 answer:

kirza4 [7]3 years ago

4 0

output of the following code fragment that invokes Twist is:

1 14 3

Explanation:

In the function Twist(),two parameters are passed. First is passed by value and second is passed by reference. If a variable is passed by value then any change made by the function will not affect the original value of that variable but when a variable is passed by reference then any change made by the function will change the original value of that variable. When Twist() function invokes with a=3 and b=2 then value of c=3+2 i.e c=5, a=3*3 i.e. a=9 (value of "a" was 3 earlier) and and b=c+a i.e b=5+9. Here only "b"is passed by reference for variable "s" then any change in it's value will be reflected in the "s". That will update the value of "s" to 14.

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For an alternative to the String class, and so that you can change a String's contents, you can use_________ .

mr_godi [17]

Answer:

c. StringBuilder

Explanation:

An alternative to the String class would be the StringBuilder Class. This class uses Strings as objects and allows you to mix and match different strings as well as adding, removing, implementing, and modifying strings themselves as though they were similar to an array. Unlike the string class StringBuilder allows you to modify and work with a combination of strings in the same piece of data as opposed to having various objects and copying pieces which would take up more memory.

7 0

4 years ago

Write a function solution that returns an arbitrary integer which is greater than n.

Aleksandr-060686 [28]

Answer:

public static int greaterThanInt(int n){

return n+10;

}

Explanation:

This is a very simple method in Java. it will accept an argument which is an integer n and return n+10 since the question requires that an arbitrary integer greater than n be returned adding any int value to n will make it greater than n.

A complete java program calling the method is given below:

import java.util.Scanner;

public class ANot {

public static void main(String[] args) {

Scanner in = new Scanner(System.in);

System.out.println("Please enter an integer");

int n = in.nextInt();

int greaterInt = greaterThanInt(n);

System.out.println("You entered "+n+", "+greaterInt+" is larger than it");

}

public static int greaterThanInt(int n){

return n+10;

}

}

4 0

4 years ago

Add the following methods to the ArrayCollection class, and create a test driver for each to show that they work correctly. In o

maks197457 [2]

Answer:

Attached are screenshots of the working code - baring in mind this only works on mutable Collection types. (ones that can be changed) if you use Collections that don't support this you may experience an Unsupported Operation Exception - but this is expected.

Explanation:

Using Java streams as an alternative for some answers.

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3 years ago

What does a file extension tell you?

kiruha [24]

A. because everyone basically has seen it..

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3 years ago

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Marta_Voda [28]

Answer:

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2 years ago