<span>An attribute in a relation of a database that serves as the primary key of another relation in the same database is called a
</span>
Answer:
import java.util.Arrays;
public class swap{
public static void main(String []args){
int [] arr = {2,4};
swapValues(arr);
}
public static void swapValues(int[] values){
int temp;
System.out.println(Arrays.toString(values));
temp=values[0];
values[0]=values[1];
values[1] =temp;
System.out.println(Arrays.toString(values));
}
}
Explanation:
In the program above, we created the method swapValues that receives an array of integers as parameters. in the method definition, we created a temp variable that is used to swapp the element at index 0 and index 1. Java's Arrays.to string method is used to print the array before and after the swap.
Answer:
Explanation:
With an anti-virus, we can search, detect, and delete malware like spyware, worms, Trojans, rootkits, pseudoviruses, etc.
An anti-virus can detect virus with several methods like:
- Digital signature
- Heuristic detection
- Behavior detection
- Sandbox detection
Is necessary for personal laptops and desktops, even in companies hardware.
I don't see why this is on a computer section but either way I would chose D because naturally when you park on a hill you would be cautious about your car going into motion down the hill so therefore you would think of which way gravity would pull your vehicle
Answer / Explanation
The question seem not to be complete. It can be found in search engines.
Kindly find the complete question below.
Question
The UML models operations by listing the operation name followed by a set of ____. A plus sign (+) in front of the operation name indicates that the operation is a public one in the UML (i.e., a public method in Java).
Answer:
To properly answer this question, let us first define what a UML is:
UML can be defined as or is simply refereed to as Unified Modelling Language. It is considered as the standard for modeling language that enables designers and developers to specify, visualize, construct and document object or programs made by them in the areas of software systems, Thus, UML makes this objects developed by computer gurus secure and robust in execution.
If we now go back to the question asked while referencing the explanation given of what a UML is, the answer to the question is
parentheses.
However, if the original question being asked is valid, the answer to it would be : sign (+) in front of the operation name
