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Vinvika [58]
3 years ago
15

Question 3 Which industrial revolution can the invention of the flashlight be associated with?

Computers and Technology
1 answer:
Ket [755]3 years ago
7 0

Answer:

The invention of flashlight is associated in the late period of industrial revolution.

Explanation:

  • During the industrial revolution, Europe and United States flipped the use or technology in the manufacturing processes of industries.
  • At the time of industrial revolution many chief inventions like, steam engine, dynamites etc. were made that the traditional history and reformed the technology.
  • Thomas Edison in 1879, invented the battery and flashlight at the late period of industrial revolution which was also a major invention
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finlep [7]

Answer:

This is done for the simple reason of having more space to work on

Explanation:

This is done for the simple reason of having more space to work on. By clearing the command window and workspace you provide yourself with sufficient space to create new commands without the clutter of the previous commands. This also prevents your focus from shifting towards old commands and allows you to simply focus on the commands you are currently working on. This does not clear all variables from the script, it only clears the current screen but the previous commands can still be accessed by using the up-arrow key

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2 years ago
Graded Discussion: a. Create your own Unique Java Class Previous Next Provide Java code for a simple class of your choice.b. Be
alexdok [17]

Answer:

The java program for the given scenario is shown below.

import java.util.*;

import java.lang.*;

class YourClass

{

   // two private integer variables are declared

   private int num1, num2;

   

// constructor has the same name as the class itself

// constructor is similar to a method

// constructor has no return type

// constructor may or may not accept parameters

   YourClass()

   {

       num1 = 1;

       num2 = 2;

   }

       

   // first method

   void add()

   {

      System.out.println("Sum of the numbers " + num1 + " and " + num2 + " is " + (num1+num2) );

   }

   // second method

   void subtract()

   {

      System.out.println("Difference between numbers " + num1 + " and " + num2 + " is " + (num1-num2) );  

   }

   

}

public class Test

{

   public static void main(String args[]) {          

         // object of the class, YourClass, is created

// since constructor takes no parameters, no parameters are passed to the object  

         YourClass ob = new YourClass();

         

         // first method called

         ob.add();

         

         // second method called

         ob.subtract();

   }

}

OUTPUT

Sum of the numbers 1 and 2 is 3

Difference between numbers 1 and 2 is -1

Explanation:

1. The class, MyClass, contains two private fields, one constructor and two methods.

2. The fields are integer variables which are initialized in the constructor.

3. In the add() method, both integer variables are added and their sum displayed with System.println() method.

4. In the subtract() method, both integer variables are subtracted and their difference displayed with System.println() method.

5. In the other class, Test, inside the main() method, the object of the class, MyClass, is created.

6. Using the object, both the methods, add() and subtract(), are called inside main().

7. Java is a purely object-oriented language hence all the code is written inside classes.

8. Only the class which has main() method can be declared as public. Other classes are not declared public.

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your question is full of doubted

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