Answer:
b. Fences, gates, monitored doors
Explanation:
The best defense is a good defense. A good security system is reliable and will provide you with a criminal-deterrent protection, detect intrusions, and trigger appropriate incident responses. It involves the use of multiple layers of interdependent systems like protective guards, locks, protective barriers, fences, and many other techniques.
Answer:
because the printer ink is liquid
Explanation:
you need a dry paper to let the ink sit in place and print out the exact same thing that u needed to print if you're printing on a damp paper there is a chance it will affect the output of whatever your printing
Answer:
The code will give an error that is "At least one public class is required in main file".
Explanation:
In the given code if we do not use the public access modifier to the class. It will give an error so, the correct code to this question as follows:
Program:
import java.util.HashSet; //import package
public class A //define class as public.
{
public static void main(String[ ] args) //define main method.
{
HashSet set = new HashSet(); //creating hashset object.
set.add("A"); //add alphabet in hashset
set.add("B"); //add alphabet in hashset
set.add("C"); //add alphabet in hashset
System.out.print("Size of HashSet is :"set.size()); //print the size of hashset.
}
}
Output:
Size of HashSet is : 3
Explanation of the program:
- In the above program, we define a public class that is "A" and inside the class, we define the main method.
- Inside the main method, we create a HashSet class object that is "set".
- To add elements in HashSet we use add() function that adds elements and in the last, we use the size() function that prints the size HashSet.
Answer:
A computer helps accountants store and access financial records, make changes and alleviate the need to keep paper files. If paper work is needed, computer files can easily be accessed and printed along with any changes the accountant makes at any given time.
