If class A inherits class B and class C as "class A: private class B, public class C {// class body;}; ", the order of execution class constructor will be ? O A,B,C OB,C,A O C,B, A O A,C,B
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- class first { public: void setX(); void print() const; protected: int y; void setY(int a); private: int x; }; Suppose that class second is derived from class first using the statement: class second: private first which members of class first are private, protected, and public in class second?PLZ help wiith the following: IN JAVA If an inner class contains non static members, then the class name must be modified by the keyword: Final Static Void ProtectedIf class A inherits class B and class C as "class A: private class B, public class C {// class body;};", the order of execution class ? constructor will be A,B,C O B,C,A C,B,A O A,C,B O
- use the following partial class definitions:public class A1{public int x;private int y;public int z;…}public class A2 extends A1{public int a;private int b; …}public class A3 extends A2{private int q;…} 2) Which of the following lists of instance data are accessible in class A2?a) x, y, z, a, bb) x, y, z, ac) x, z, a, bd) z, a, be) a, bIn C++ Q1.) Write a Review class that has: • These private data members: • string user: ID of the user • string item: ID of the item • double paid: the price of the item that the user buys • double rating: the rating that the user gives to the item • string review: the review content that the user gives to the item • These public member functions: • A default constructor to set all instance variables to a default value • A parameterized constructor (i.e., a constructor with arguments) to set all instance variables • A method for getting/setting the instance variables. • A method for printing the Review's information.18. If a class is declared as final, the incorrect statement is (). A. Indicates that this class is final B. Indicates that this class is a root class C. Methods in this class cannot be overridden D. Variables in this class cannot be hidden 19. In the following description of polymorphism, the incorrect one is (). A. Polymorphism refers to "one definition, multiple implementations" B. There are three types of polymorphism: dynamic polymorphism, static polymorphism, and default polymorphism C. Polymorphism is not used to speed up code D. Polymorphism is one of the core characteristics of OOP 20. In Java, two interfaces B and C have been defined. To define a class that implements these two interfaces, the correct statement is ( ). A. interface A extends B,C B. interface A implements B,C C. class A implements B,C D. class A extends B,C 21. Given the following java code, the correct description of the usage of "super" is (). class Student extends Person{ public Student() { super(); } 3 D…
- Suppose that we have the following class: 1 class Book{ 2 private: 3 int id; 4 char name [20]; 5 float price; 6 int year; 7 public: 8 //constructors 9 //set and get member functios 10 }; Implement the member functions setName and setYearclass first { public: void setX(); void print() const; protected: int y; void setY(int a); private: int x; }; Suppose that class second is derived from class first using the statement: class second: private first Determine which members of class first are private, protected, and public in class second.what does the following mean? class A: public B Select one: a. class B will inherit all the non-private members from A without changining their access method. b. class A will inherit all the non-private members from B and make them public access. c. class B will inherit all the non-private members from A and make them public access. d. class A will inherit all the non-private members from B without changing their access method. c++
- use the following partial class definitions:public class A1{public int x;private int y;public int z;…}public class A2 extends A1{public int a;private int b; …}public class A3 extends A2{private int q;…} 3) Which of the following lists of instance data are accessible in A3?a) x, y, z, a, b, qb) a, b, qc) a, qd) x, z, a, qe) x, a, qclass gene { public: gene( ); gene(string n, string cl); string get_genename( ); //required the user to input the gene name. void print( ); private: string name; string chromosomal_location; }; a. Define the class gene. b. What kind of function overloading is achieved in this code? c. Define the constructor gene(string n, string cl) in such a way that user will input the name of the gene, which will be assigned to the variable “name”. d.Run this complete program on your computer and paste the screenshots of the output. e. Are the following two constructor functions possible in this class code? i. gene(string n); ii. gene(string cl);C++ coding (do this in C++ programming)class A {protected int x1,y1,z; public: A(a, b,c):x1(a+2),y1(b-1),z(c+2) { for(i=0; i<5;i++) x1++;y1++;z++;}}; class B {protected: int x,y; public: B(a,b):x(a+1),y(b+2) { for(i=0; i<5;i++) x+=2; y+=1;}}; class D:public B, virtual public A { private: int a,b; public: D(k,m,n): a(k+n), B(k,m),b(n+2),A(k,m,n) { a=a+1;b=b+1;}}; int main() (Dob(4,2,5);} what the values of x1,y1 and z
