Write a program in C++ to implement following inheritance. Assume suitable data.

Write a program in C++ to implement following inheritance. Assume suitable data.

image
by

1 Answer

Answer :

#include<iostream.h>

#include<conio.h>

class employee

{

int empid;

char empname[20];

public:

void accept()

{

cout<<"\n enter empid, empname:"<<endl;

cin>>empid>>empname;

}

void dis()

{

cout<<"\n empid"<<empid;

cout<<"\n empname--"<<empname<<endl;

}

};

class manager:public employee

{

int allowance;

public:

acc1()

{

accept();

cout<<"\n Enter allowance:";

cin>>allowance;

}

dis1()

{

dis();

cout<<"\n Allowance:"<<allowance;

}

};

class worker:public employee

{

int salary;

public:

acc2()

{

accept();

cout<<"\n enter salary";

cin>>salary;

}

dis2()

{

dis();

cout<<"\nSalary:"<<salary;

}

};

void main()

{

clrscr();

manager m;

worker w;

m.acc1();

m.dis1();

w.acc2();

w.dis2();

getch();

}


by

Related questions

Write a program to implement single inheritance. Declare base class employee with Emp_No. and Emp_Name. Declare derived class fitness with height and weight. Accept and display data for one employee.

Description : Write a program to implement single inheritance. Declare base class employee with Emp_No. and Emp_Name. Declare derived class fitness with height and weight. Accept and display data for one employee.

Last Answer : #include<iostream.h> #include<conio.h> class employee { protected: int emp_no; char emp_name[10]; public: void gete() { cout<< enter employee details ; cin>>emp_no; cin>> ... f.gete(); f.pute(); f.getft(); f.putft(); getch(); }

Write a program in C++ to implement single inheritance from following figure:

Description : Write a program in C++ to implement single inheritance from following figure:

Last Answer : #include<iostream.h> #include<conio.h> class product { protected: int prodid; char prodname[20]; }; class edible:public product { char flavour[20]; public: void accept() { cout<< ... for(i=0;i<5;i++) { e[i].display(); } getch(); }

Implement single inheritance for following fig. Accept and display data for 1 table.

Description : Implement single inheritance for following fig. Accept and display data for 1 table.

Last Answer : #include class furniture { protected: char material[20]; int price; }; class table :public furniture { int height ; float sur_area; public: void getdata() { coutmaterial; coutprice; coutheight; coutsur_area; } void putdata() { cout

Implement a program to declare a class city with data members city name and state. Accept and display data for 1 object using pointer to object.

Description : Implement a program to declare a class city with data members city name and state. Accept and display data for 1 object using pointer to object.

Last Answer : #include<iostream.h> #include<conio.h> class city { char city_name[20],state[20]; public: void accept() { cout<<"\nEnter city data:"; cout<<"\nName:"; ... ); ptr=&c; ptr->accept(); ptr->display(); getch(); }

Write a program which implement the concept of overloaded constructor.

Description : Write a program which implement the concept of overloaded constructor.

Last Answer : #include #include class integer { int m,n; public: integer() { m=0; n=0; } //default constructor 1 integer(int a, int b) { m=a; n=b; } //Parameterized constructor 2 integer(integer &i) { m=i.m; n=i.n; } //copy constructor 3 }; void display() { cout

Write a program to implement the concept of virtual base class for following figure. Accept and display information of one employee with his name, code, basic pay, experience and gross salary with the object of employee class.

Description : Write a program to implement the concept of virtual base class for following figure. Accept and display information of one employee with his name, code, basic pay, experience and gross salary with the object of employee class.

Last Answer : #include<iostream.h> #include<conio.h> class Master  {  char name[10],code[3];  public:  void acceptM() { cout<<"\nEnter name and code "; cin>>name>>code; ... .displayM(); e.displayA(); e.displayD(); e.displayE(); getch();  }

Write a program for multiple inheritance.

Description : Write a program for multiple inheritance. 

Last Answer : #include #include class base1 { public: void show1() { cout

List different types of inheritance with suitable diagram.

Description : List different types of inheritance with suitable diagram.

Last Answer : Types of inheritance: 1) Single inheritance: A derived class is derived from only one base class. Diagram: 2) Multiple inheritance: A derived class is derived from more ... ) Hybrid inheritance: Combination of single, multiple, multilevel and hierarchical inheritance.  Diagram:

Explain single inheritance with suitable example.

Description : Explain single inheritance with suitable example.

Last Answer : When a single derived class is derived from only one base class then it is called as single inheritance. In a single inheritance, derived class can inherit some or all members of base class. It is implemented by specifying ... s; clrscr(); s.getdata(); s.putdata(); getch(); }

Write any two advantages of inheritance.

Description : Write any two advantages of inheritance.

Last Answer : Advantages of inheritance: 1) Use of inheritance in a program gives reusability of code. 2) Inheritance avoids duplication of code in program. 3) Inheritance reduces length of code. 4) Inheritance reduces time to compile the lengthy code by reusing it. 

Write a program to declare class student having data members name and percentage. Write constructor to initialize these data members. Accept and display this data for one object.

Description : Write a program to declare class student having data members name and percentage. Write constructor to initialize these data members. Accept and display this data for one object.

Last Answer : #include<iostream.h> #include<conio.h> #include<string.h> class student { char name[20]; float per; public: student(char n[],float p) { strcpy(name,n); per=p; } ... { student S("Sachin",78.00); clrscr(); S.putdata(); getch(); }

Write a program to declare class having data member as hrs, mins, secs. Write constructor to assign values and destructor to destroy values. Accept & display data for one object.

Description : Write a program to declare class having data member as hrs, mins, secs. Write constructor to assign values and destructor to destroy values. Accept & display data for one object.

Last Answer : #include<iostream.h> #include<conio.h> class time { private: int hrs, mins,sec; public: time(int h,int m,int s) { hrs=h; mins=m; sec=s; } ~time() { cout<< hours ... } }; void main() { time t(2,43,56); t.display(); getch(); }

Write a program to declare a class 'staff' having data members as name and department. Accept this data for 10 staffs and display names of staff that are in 'CO' department.

Description : Write a program to declare a class 'staff' having data members as name and department. Accept this data for 10 staffs and display names of staff that are in 'CO' department.

Last Answer : #include<iostream.h> #include<conio.h> #include<string.h> class staff {  char name[10], dept[10];  public:  void accept() { cout<<"Enter Name and Department:\t"; cin>> ... i=0;i<=10;i++) { s[i].display(); } getch(); }

Write a program in C++ to declare a class „Journal‟ having data members as journal_nm, price, ISSN_No. Accept this data for two objects and display the name of the journal having greater price.

Description : Write a program in C++ to declare a class „Journal‟ having data members as journal_nm, price, ISSN_No. Accept this data for two objects and display the name of the journal having greater price.

Last Answer : #include<iostream.h> #include<conio.h> class Journal { char journal_nm[20]; int ISSN_No; float price; public: void accept(); void display(Journal); }; void Journal::accept() { ... clrscr(); j1.accept(); j2.accept(); j1.display(j2); getch(); }

Write a program in C++ to declare a class measure having data members as add 1, add 2, add 3. Initialize the values of two data members using constructor and display their addition using function.

Description : Write a program in C++ to declare a class measure having data members as add 1, add 2, add 3. Initialize the values of two data members using constructor and display their addition using function.

Last Answer : #include<iostream.h> #include<conio.h> class measure { public: int add1,add2,add3; measure(int a,int b) { add1=a; add2=b; } void cal() { add3=add1+add2; } void display() ... ;>a>>b; measure m1(a, b); m1.cal(); m1.display(); getch(); }

What is multiple inheritance? What is multilevel inheritance? What is difference between them?

Description : What is multiple inheritance? What is multilevel inheritance? What is difference between them?

Last Answer : Multiple Inheritance: When A derived class is derived from more than one base class then it is known as multiple inheritance. A derived class can inherit the attributes of all base classes ... , last derived class will inherit only public property of all class including intermediate class.

Explain the following with syntactic rules: (i) public inheritance (ii) protected inheritance.

Description : Explain the following with syntactic rules: (i) public inheritance (ii) protected inheritance.

Last Answer : (i) public inheritance: i) When the visibility-mode is public the base class is publicly inherited. ii) In public inheritance, the public members of the base class become public members of the derived class and ... variables; Member function; }; class B : protected A { Members of class B };

What is inheritance and explain visibility modes in detail.

Description : What is inheritance and explain visibility modes in detail.

Last Answer : Inheritance: The mechanism of deriving new class from an old (existing) class is called as inheritance. With inheritance, one class acquires the properties of objects of other classes. ... members of derived class and public members of base class becomes public members of derived class.

Explain hybrid inheritance with example.

Description : Explain hybrid inheritance with example.

Last Answer : Hybrid inheritance is also referred as mixed inheritances. As the name suggests it is a combination of all the kinds of inheritance mechanisms, namely single inheritance, multiple inheritance, multilevel inheritance and hierarchical inheritance. ... { D d; d.getdata(); d.putdata(); }  

Explain different visibility modes and its effect in inheritance.

Description : Explain different visibility modes and its effect in inheritance.

Last Answer : Different visibility modes are: 1) Private 2) Protected 3) Public Effect in inheritance: Private members of base class are not inherited directly in any ... become protected members of derived class and public members of base class become public members of derived class

Define multiple inheritance. Give example.

Description : Define multiple inheritance. Give example.

Last Answer : Multiple Inheritance: When a single class is derived from more than one base class then it is known as multiple inheritance. A derived class can inherit the attributes of all base classes from which it ... derived class derived from two base classes base class Test and base class Sports .  

List various visibility modes used in inheritance.

Description : List various visibility modes used in inheritance.

Last Answer : Different visibility modes used in inheritance are: 1) Private 2) Protected 3) Public 

With example, describe multiple inheritance.

Description : With example, describe multiple inheritance. 

Last Answer : A derived class with multiple base classes is called as multiple inheritance. A derived class inherits properties of all the base classes. It also can have its own properties. Syntax:- class base _class _name1 { ____ } ... clrscr(); derived d; d.get2(); d.put2(); getch(); }

State and describe visibility modes used in inheritance with their effects.

Description : State and describe visibility modes used in inheritance with their effects.

Last Answer : Visibility modes: private protected public Private: o When a base class is privately inherited by a derived class, public members and protected members of the base class become ... class Syntax: class derived: protected base { //Members of derived class; };

State and describe types of inheritance.

Description : State and describe types of inheritance.

Last Answer : Types of inheritance: o Single Inheritance o Multiple Inheritance o Multilevel Inheritance. o Hierarchical Inheritance o Hybrid Inheritance Single Inheritance o The mechanism of deriving a new class from existing single ... : public B, public C { // class D body; };

Write a program which concate and reverse string by using pointer to string.

Description : Write a program which concate and reverse string by using pointer to string.

Last Answer : #include #include void main()  { char str1[20], str2[20], rev[20],*p1,*p2; int cnt=0; clrscr(); coutstr2;  p1=&str1[0];  p2=&str2[0]; while(*p1!='\0')  { p1++;  } while(*p2!='\0')  { *p1=*p2; p1++; p2++;  }  *p1='\0'; cout

Write a program which perform arithmetic operation using pointer.

Description : Write a program which perform arithmetic operation using pointer.

Last Answer : #include<iostream.h> #include<conio.h> void main() { int num[5]={56,75,22,18,90}; int ptr; int i; cout<< array elements are:: ; for(i=0;i<5;i++) ptr=num; cout<< ... 3; cout<< value of ptr+=3:: <<*ptr; cout<< \n ; getch(); }

Write a program to find whether the string is palindrome or not.

Description : Write a program to find whether the string is palindrome or not.

Last Answer : #include #include #include void main() { char str1[10],str2[10]; int c; clrscr(); coutstr1; strcpy(str2,str1); strrev(str2); cout

Write a program to show object as function argument.

Description : Write a program to show object as function argument. 

Last Answer : #include<iostream.h> #include<conio.h> #include<string.h> class objarg  { char str[10]; public: void get() { cout<<"\n Enter a Message"; cin>>str; } void ... clrscr(); o1.get(); o2.copy(o1); o2.display(); getch();  }

Write a program to copy content of one string to another string using pointer to string.

Description : Write a program to copy content of one string to another string using pointer to string.

Last Answer : #include<iostream.h> #include<conio.h> void main() { char str1[10],str2[10],*p1,*p2; clrscr(); cout<<"\n Enter a String"; cin>>str1; p1=&str1[0]; p2= ... } *p2='\0'; cout<<"Copied String is "<<str2; getch(); }

Write a program for overloading of ++unary operator for inch to feet conversion. 12 inch = 1 feet.

Description : Write a program for overloading of ++unary operator for inch to feet conversion. 12 inch = 1 feet.

Last Answer : #include #include class abc { int i,f; public: abc(int f1,int i1) { f=f1; i=i1; } void operator ++() {  while(i>11)  {  f++;  i=i-12;  }  cout

Write a program to swap two integer values by using call by reference.

Description : Write a program to swap two integer values by using call by reference.

Last Answer : #include #include void swap(int *a,int *b) { int c; c=*a; *a=*b; *b=c; } void main() { int a,b; couta; coutb; cout

Write a program to find length of a string using pointer to string.

Description : Write a program to find length of a string using pointer to string.

Last Answer : #include<iostream.h> #include<conio.h> void main() { char str1[10],*ptr; int len=0; cout<<"enter string:"; cin>>str1; ptr=&str1[0]; while(*ptr!='\0 ... +; } cout<<"\nThe Length of a string is"<<len; getch(); }

Write a program to calculate area of circle and area of rectangle using function overloading.

Description : Write a program to calculate area of circle and area of rectangle using function overloading. 

Last Answer : #include<iostream.h> #include<conio.h> float area(float a) { return (3.14*a*a); } int area(int p,int q) { return(p*q); } void main() { clrscr(); cout< ... ;<<area(6); cout<<"Area of Rectangle:"<<area(5,6); getch(); }

Write a program to search a number from an array using pointer to array.

Description : Write a program to search a number from an array using pointer to array.

Last Answer : #include<iostream.h> #include<conio.h> void main() { int a[5],i,*a1,no,flag=1; clrscr(); a1=&a[0]; cout<<"\nEnter array elements :"<<endl; for(i=0;i<5 ... =0) { cout<<"\n\t Number is not present.... "; } getch(); }

Write a program using concept of pointers to string for performing following operations: (i) String concatenation (ii) String comparisons

Description : Write a program using concept of pointers to string for performing following operations: (i) String concatenation (ii) String comparisons

Last Answer : (i) Program to implement String Concatenation: #include #include void main() { char s1[50],s2[30],*p,*q; clrscr(); couts1>>s2; p=s1; q=s2; while(*p!=NULL) { p++; } while(*q!=NULL) { *p=*q; p++; q++; } *p='\0'; cout

Write a program to demonstrate the use of pure virtual function.

Description : Write a program to demonstrate the use of pure virtual function.

Last Answer : Consider the following example where parent class provides an interface to the base class to implement a function called getArea() as pure virtual function: #include // Base class class Shape { protected: int ... ; Rect.setWidth(5); Rect.setHeight(7); // Print the area of the object. cout

Write a program to overload ‘+’ operator to concatenate two strings.

Description : Write a program to overload ‘+’ operator to concatenate two strings.

Last Answer : #include #include #include class string1 { char str[20]; public: void getdata() { coutstr; } void display() { cout

Write a program in C++ to accept a string from a user and display its reverse using pointer.

Description : Write a program in C++ to accept a string from a user and display its reverse using pointer.

Last Answer : #include<iostream.h> #include<conio.h> #include<string.h> void main() { char str[20],*ptr; int l; clrscr(); cout<<"\n Enter a string : "; cin>>str; l=strlen(str); ... (l!=0) { ptr--; cout<<*ptr; l--; } getch(); }

Write a program in C++ to overload a „volume‟ function to calculate volume of cube and rectangular box.

Description : Write a program in C++ to overload a „volume‟ function to calculate volume of cube and rectangular box. 

Last Answer : #include<iostream.h> #include<conio.h> void volume(float); void volume(float, float, float); void main() { float a, length, width, height; clrscr(); cout<<"\n ... width*height; cout<<"\n Volume of a rectangular box is:"<<v; }

Write a C++ program to overload = = operator to check equality of two strings.

Description : Write a C++ program to overload = = operator to check equality of two strings.

Last Answer : #include<iostream.h> #include<conio.h> #include<string.h> class string { char str1[20]; public: void get() { cout<<"Enter string:"; cin>>str1; } void operator = =( ... ; string s,s1; s.get(); s1.get(); s==s1; getch(); }

Write a program in C++ to search an element from an array using pointer.

Description : Write a program in C++ to search an element from an array using pointer.

Last Answer : #include<iostream.h> #include<conio.h> void main() { int a[10], n, i,*p, flag=0, x; clrscr(); cout<<"Enter no. of array elements \n"; cin>>n; cout<< ... } if(flag==0) cout<<x<<"is not found \n"; getch(); }

Explain the concept of overloaded constructor in a class with suitable example.

Description : Explain the concept of overloaded constructor in a class with suitable example.

Last Answer : Overloaded constructor: When more than one constructor function is defined in a same class then it is called as overloaded constructor. All constructors are defined with the same name as ... first constructor does not accept any argument and the second constructor accepts two integer arguments.

Explain constructor in derived class with suitable example.

Description : Explain constructor in derived class with suitable example.

Last Answer : When a class is declared, a constructor can be declared inside the class to initialize data members. When a base class contains a constructor with one or more arguments then it is ... one argument. Derived class constructor accepts two values and passes one value to base class constructor.

Explain object as a function argument using following points with suitable example: (i) Pass by value (ii) Pass by reference

Description : Explain object as a function argument using following points with suitable example: (i) Pass by value (ii) Pass by reference

Last Answer : (i) Pass by Value: When an object is passed by value to a function, a copy of that object is created and changes are reflected on the copy object not on original object. Example: #include #include class Example { int x; public: Example(int a)  {  x=a;  }  void print()  { cout

Explain class with suitable example.

Description : Explain class with suitable example.

Last Answer : A class is a user defined data type which binds data and its associated functions together. It allows the data and functions to be hidden, if necessary from external use. Generally, a class ... for displaying their values. These functions provide the only access to data members of the class. 

Explain destructor with suitable example.

Description : Explain destructor with suitable example. 

Last Answer : Destructor: 1. A destructor is a special member function whose task is to destroy the objects that have been created by constructor. 2. It does not construct the values for the data members of the class. 3. It is invoked ... main() { time t(2,43,56); t.display(); getch(); }

Explain multiple constructors in a class with suitable example.

Description : Explain multiple constructors in a class with suitable example. 

Last Answer : Multiple constructors in a class means a class can contain more than one constructor. This is also known as constructor overloading. All constructors are defined with the same name as the class they belong to. All the ... default constructor integer(int a, int b) { m = a; n = b; cout

What do you mean by default argument? Give its suitable example.

Description : What do you mean by default argument? Give its suitable example.

Last Answer : Default argument  Initializing an argument with a value while defining a constructor is referred as constructor with default value. When a constructor with default value is declared in a class, it does not require object to pass value ... void main() { ABC obj1(5); ABC obj2(20,30); }

With suitable example, describe use of this pointer.

Description : With suitable example, describe use of this pointer.

Last Answer : 1. C++ uses a unique keyword called this to represent an object that invokes a member function. 2. This unique pointer is automatically passed to a member function when it is invoked. 3. this is a pointer that always ... ; public: void setdata(int x) { this ->a=x; } void putdata() { cout