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Ainat [17]
3 years ago
6

[BRAINLIEST!!!! Which concept in OOP explains the relationship between the classes Nation and President, where the class Nation

has-a (an) object of class President?
A. aggregation
B. association
C. abstraction
D. composition
E. inheritance
Computers and Technology
2 answers:
liubo4ka [24]3 years ago
8 0
The answer is E.

Inheritance is one of the core concepts of object-oriented programming (OOP) languages. It is a mechanism where you can to derive a class from another class for a hierarchy of classes that share a set of attributes and methods.
Misha Larkins [42]3 years ago
6 0
B is the answer for this question
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Complete the following Programming Assignment using Recursion. Use good programming style and all the concepts previously covere
Likurg_2 [28]

Answer:

Explanation:

public class Ackermann {

   public static int ackermann's(int m, int n) {

       if (m == 0) {

           return n + 1;

       } else if (n == 0) {

           return ackermann's(m-1, 1);

       } else {

           return ackermann(m - 1, ackermann(m, n - 1));

       }

   }

   public static void main(String[] args) {

       System.out.println(ackermann(0, 0));

       System.out.println(ackermann(0, 1));

       System.out.println(ackermann(1, 1));

       System.out.println(ackermann(1, 2));

       System.out.println(ackermann(1, 3));

       System.out.println(ackermann(2, 2));

       System.out.println(ackermann(3, 2));

   }

}

1

2

3

4

5

6

7

29

Process finished with exit code 0

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