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Hoochie [10]
3 years ago
14

Dan is a Civil Engineer for a company that builds nuclear power plants throughout the world. Which best describes the places he

works and what he does there?
Computers and Technology
2 answers:
Yanka [14]3 years ago
4 0
IN a laboratory... C 
Arada [10]3 years ago
4 0

Answer:

IN a laboratory... C

Explanation:

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Answer: The answer would be "B" - language that includes terms that only a select few can understand

Explanation:

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While in an interactive nslookup session, you'd use the ______ keyword to change the DNS server you're using
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The Double.parseDouble() method requires a String argument, but it fails if the String cannot be converted to a floating-point n
Andrei [34K]

Answer:

  1. import java.util.Scanner;
  2. public class Main {
  3.    public static void main(String[] args) {
  4.        Scanner input = new Scanner(System.in);
  5.        String numStr = input.nextLine();
  6.        double num;
  7.        try{
  8.            num = Double.parseDouble(numStr);
  9.        }
  10.        catch(NumberFormatException e){
  11.            num = 0;
  12.            System.out.println("Value entered cannot be converted to a floating point number.");
  13.        }
  14.    }
  15. }

Explanation:

The solution code is written in Java.

Firstly, we create a Scanner object and prompt user to input a number (Line 5-6). Next, we create a try -catch block and place the parseDouble inside the try block. If the input is invalid (e.g. "abc"), a NumberFormatException error will be thrown and captured and set the num to 0 and display the error message (Line 11 - 13).  

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There are various safety features in place to prevent such scenarios from happening. For starters phones usually have a pin code, pattern code, or fingerprint scanner which prevents unauthorized individuals from entering into the phone's services. Assuming that these features have been disabled by the phone's owner, payment applications usually require 2FA verification which requires two forms of approval such as email approval and fingerprint scanner in order for any transactions to go through. Therefore, an unauthorized individual would not have access to such features and would not be able to complete any transactions.

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