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Ivahew [28]
3 years ago
7

In a student​ database, a row that describes the top​ student, including his or her​ LastName, FirstName, and​ StudentNumber, is

an example of​ a(n) ______________.
Computers and Technology
1 answer:
STatiana [176]3 years ago
4 0

Answer:

Record

Explanation:

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Explanation:

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Create a brief program that demonstrates use of a Java exception. For example, you could use InputMismatchException and ask the
HACTEHA [7]

Answer:

Here is the program that demonstrates the use of JAVA exception:

import java.util.Scanner;  //to accept input from user

public class Main {  //class name

   public static void main(String[] args) {  //start of main method

      Scanner input = new java.util.Scanner(System.in);  //creates Scanner class object to accept input from user

       int number1 = 0;  //stores the first integer value

       int number2 = 0;  //stores the second integer value

       while(true) {  //keeps looping until user enters integer value

           System.out.println("Enter 2 integers to perform addition: "); //prompts user to enter two integer values

           try {  //defines a chunk of code to check for errors        

               number1 = input.nextInt(); //reads input integer 1

               number2 = input.nextInt(); //reads input integer 2                  

               break;             }  

           catch (java.util.InputMismatchException e) { // defines a code chunk to execute if an error occurs in the try code chunk

              System.out.println("Input must be an integer "); //displays this message if user enters anything other than an integer value

              input.nextLine();              }         }  // reads input from user again until user enters both integer type values

       System.out.println("The sum is: " + (number1+number2));      }  } //if user enters 2 integers then computes and displays the sum of two integer values

Explanation:

The program uses InputMismatchException exception and asks the user to input two integers and computes the sum of two integers if user enters  integers otherwise an exception InputMismatchException is thrown and a error message Input must be an integer is displayed to the user if they input a string of letters instead o f integer values. Here while loop is used which keeps executing until user enters both the integer values. After the user enters correct values, the sum of the two integers are computed and result is displayed on output screen. The screenshot of program and its output is attached.

Another program asks the user to input an integer and the program executes correctly if they enter an integer but exception InputMismatchException is thrown with an error message that is is displayed to the user if they input a string of letters. Here is the program:

import java.util.Scanner;

public class Main {

   public static void main(String[] args) {

       Scanner input = new java.util.Scanner(System.in);

       int number1 = 0;          

       while(true) {

           System.out.println("Enter an integer value: ");        

           try {

               number1 = input.nextInt();  

               break;             }  

           catch (java.util.InputMismatchException e) {

              System.out.println("Input must be an integer ");

              input.nextLine();             }        }  

       System.out.println("The program executed correctly!");  } }

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vladimir1956 [14]

The steps that you need to take to troubleshoot the problem and correct it so that connectivity is restored is

  • First Unplug or power off one's  router.
  • Then stay for about two to five minutes before one can plug it back in.
  • The stay for five more minutes and do retry the connection.

<h3>What troubleshooting meaning?</h3>

Troubleshooting is known to be a kind of a systematic method that is often used to problem-solving and this is known to be one that is often used in order to see, find and correct problems that are known to be with complex machines, computers, software systems and others.

Troubleshooting is said to be a kind of problem solving, often used to repair what we call a failed products or processes.

Therefore, The steps that you need to take to troubleshoot the problem and correct it so that connectivity is restored is

  • First Unplug or power off one's  router.
  • Then stay for about two to five minutes before one can plug it back in.
  • The stay for five more minutes and do retry the connection.

Learn more about wireless network from

brainly.com/question/26956118

#SPJ1

7 0
10 months ago
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