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Margaret
1 month ago
12

5.16 *zyLab: Hello IDE The goal of this problem is learn how to use Eclipse or IntelliJ. Submit the source code files (.java) be

low. Make sure your source files are encoded in UTF-8. Some strange compiler errors are due to the text encoding not being correct. Complete the following: In your chosen IDE, create a new project. You can name the project anything you like, we recommend "M5". Create a new class file, titled HelloIDE (which will create the file HelloIDE.java). Write a main method in this class that prompts a user for their name, and then replies with "Hello, ___!" filling in the blank with the typed in name, trimmed. Otherwise, if the string is empty, or just contains only whitespace, or if no input is given, output "Hello, stranger!". Example input/output for input "Mark":
Computers and Technology
1 answer:
8_murik_8 [892]1 month ago
8 0

Answer:

import java.util.Scanner;

public class HelloIDE

{

public static void main(String[] args) {

    Scanner input = new Scanner(System.in);

   

 System.out.print("Please enter your name: ");

 String name = input.nextLine();

 

 name = name.trim();

 

 if(name.equals(""))

     name = "stranger";

     

 System.out.println("Greetings, " + name + "!");

}

}

Explanation:

The Scanner class is imported to allow user input.

A Scanner class object named input is created.

Prompt the user for their name and store it in the name variable.

The trim() method is used to eliminate any leading or trailing whitespace from the name.

A check is performed on the name: if it’s an empty string, it's set to "stranger". This ensures that if the user does not provide a name or only inputs spaces, it defaults to stranger.

The output format is then printed accordingly.

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Write measurable performance objectives.Suppose that a trainer has identified as a generalgoal for a training module,"Able to fo
8_murik_8 [892]

Response:

Damon ComSci 037-0945 Activity 11-3 Formulate measurable performance objectives.... Imagine a trainer has set a broad aim for a training module, saying, “Able to format printed output in accordance with a specification sheet.” First, revise this goal statement to specify a quantifiable performance objective.

Explanation:

6 0
24 days ago
Read two numbers from user input. Then, print the sum of those numbers. Hint -- Copy/paste the following code, then just type co
maria [879]

Answer:

num1 = int(input("Input the first number "))

num2 = int(input("Input the second number "))

print(num1 + num2)

Explanation:

This code is implemented in Python programming language.

It utilizes the input function to ask the user for the first and second number.

The values are stored in the variables num1 and num2 in that order.

The print function then calculates and displays the sum of num1 and num2.

6 0
1 month ago
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Which of the following is true of how the Internet has responded to the increasing number of devices now using the network? a) T
Harlamova29_29 [932]

Answer:

A

Explanation:

Every year, internet protocols are adjusted to accommodate the influx of new devices on the network. In the 1990s, traffic primarily utilized a few protocols.  IPv4 managed packet routing, TCP handled those packets to establish connections, SSL (later TLS) secured those connections, DNS resolved hostnames, and HTTP was the main application layer protocol utilized.

For years, there were minimal modifications to the fundamental internet protocols; HTTP saw the addition of some new headers and methods, TLS underwent gradual updates, TCP improved congestion management, and DNS incorporated features like DNSSEC. Over a lengthy period, these protocols remained consistent as seen on the wire — with the exception of IPv6, which is regularly discussed among network operators.

Consequently, network administrators, vendors, and policymakers seeking to understand (and sometimes regulate) the Internet have implemented various practices based on the protocols’ wire ‘footprint’ — whether to troubleshoot issues, enhance service quality, or enforce policies.

Currently, there are considerable changes happening in core internet protocols. Although these updates aim to remain compatible with the wider Internet to ensure adoption, they might disrupt entities that have exploited undocumented features of existing protocols or assumed stability in certain aspects.

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1 month ago
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Define a method printAll() for class PetData that prints output as follows with inputs "Fluffy", 5, and 4444. Hint: Make use of
ivann1987 [930]

Answer:

public void printAll(){ // member function petAll()

   super.printAll(); //  invokes printAll() method from the superclass (base class) AnimalData using the super keyword

   System.out.print(", ID: " + idNum);} // displays the ID saved in the idNum field of the PetData class

Explanation:

This is the full PetData class:

public class PetData extends AnimalData { //

private int idNum;

public void setID(int petID) {

idNum = petID; }

// FIXME: Implement printAll() member method

/* Your solution goes here */

public void printAll(){

   super.printAll();

   System.out.print(", ID: " + idNum);}  }

The PetData class is a subclass that inherits from the base class AnimalData.

This class contains a private field, idNum, which is designated for storing the ID value.

It includes a method setID which takes petID as a parameter that corresponds to idNum. Essentially, this acts as a mutator to set the user ID.

Additionally, there is a printAll() method that makes use of the super keyword to call the printAll() method from the base class, AnimalData.

Using super refers to objects of the base class.

Here, the super keyword is utilized with the method name from the subclass PetData to avoid confusion, as both AnimalData and PetData have a method named printAll().

During the main() method, users will enter values for userName, UserAge, and UserID. For example, if the user inputs Fluffy as the name, 5 as the age, and 4444 as the userID. Then, calling userPet.printAll(); will execute the printAll() method from the PetData class since userPet is an instance of PetData.

When this method executes, it will call the printAll() of AnimalData class which outputs the Name and Age, while printAll() of PetData prints the ID. Consequently, the resulting output will be:

Name: Fluffy, Age: 5, ID: 4444

8 0
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1.the following code example would print the data type of x, what data type would that be?
Natasha_Volkova [897]

Answer:

x = 5, so the data type is integer (used for whole numbers)

2. The data type in question is string

3. The data type is float (used for decimal numbers)

Explanation:

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