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grigory [225]
3 years ago
12

Implementing an interface means that you are adding to your class any mechanisms defined in an abstract class. Your class essent

ially is expanded to contain those items defined in the interface class but you have to implement any of those items that are abstract. The appeal is that other objects might call upon your class to use the interface methods without knowing anything else about your class. The derived class is similar in that you are gaining items previously defined, although in this case, those items are defined in the parent class (as long as those items are protected or public) and you do not have to implement any of them unless you want to redefine them. One difference between the two is that the interface cannot be instantiated directly. Another difference is that your class "inherits" abstract methods from the interface class as opposed to implemented methods from a super class. The above statements are"
Computers and Technology
1 answer:
rodikova [14]3 years ago
3 0

Answer:

The answer is "True"

Explanation:

The information, that is true or false in the statement is missing, which can be defined as follows:

  • The interface is a part of the Java programming language, which offers you to achieve multiple inheritances. It is also known as a common limit, that exchanges information on two or more separate parts of a computer network.  
  • It also contains the abstract method, and an interface to interface inheritance it uses extends keyword, and in the interface to a class, it uses the implement keyword.
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Which statement in main() generates an error?
Sunny_sXe [5.5K]

Answer:

C. leagueName=newPlayers.getLeague(); getLeague() is not a member of Players.

Explanation:

The main method in this code will case an error when trying to run the following line of code...

leagueName=newPlayers.getLeague();

This is because the method getLeague() is being called on a Player object which takes all of its methods from the Player class. Since getLeague() is not a method located in the player class then it cannot be called by an object from that class. Especially since the Player class does not extend to the SoccerPlayers class where the getLeague() method is actually located. Instead, it is the SoccerPlayers class which extends the Players class as its parent class.

3 0
3 years ago
In a linked chain implementation of a queue, the performance of the enqueue operation
alexdok [17]

Answer:

A.O(1)

Explanation:

In the implementation of queue by using linked chain the performance of  the enqueue operation is O(1).We have to  maintain  two pointers one  head and the other tailand  for  enqueue operation  we have to insert element  to the next of the tail and then  make that element  tail.Which takes O(1) time.

4 0
3 years ago
How Extreme Programming addresses Software Testing andevolution ?
kumpel [21]

Answer:

Extreme programming is a software development technique which is used to enhance software quality and it's response to ever changing customer requirements.

Testing

Testing is main focus in extreme programming.Extreme programming addresses testing in a way that if a minute testing can eliminate a bit of flaws, extensive testing can terminate a lot of flaws.

Evolution in Extreme programming is like this:-

Coding:-First programmers will code the problem.

Testing :- Testing is done to remove flaws.

Listening:- Programmers must listen to the customers to what they need.

Designing:-Then design according to the customer needs.

6 0
3 years ago
Compute the sum of all integers that are multiples of 9, from 1 to 250. Enter your result of your computation in the text box be
shepuryov [24]

The pseudocode to find the sum of all integers that are multiples of 9, from 1 to 250.

totalSum = 0

for i from 1 to 250{

     if i is divided by 9 and remainder is 0{

           totalSum  = totalSum + i;

     }

}

print(totalSum)


in python language the code will be

totalSum = 0

for i in range(1,250):

    if i%9==0:

       totalSum += i



If you will run the program , the answer would be 3402.

8 0
3 years ago
Read 2 more answers
It converts Assembly Language into machine language?​
docker41 [41]

Answer:

An assembler.

Explanation:

Input is (as with any programming language) files with lists of instructions (typically assembler mnemonics), output is a binary format representing these instructions in machine language.

6 0
2 years ago
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