Write a program in C++ to implement single inheritance from following figure:
#include<iostream.h>
#include<conio.h>
class product
{
protected:
int prodid;
char prodname[20];
};
class edible:public product
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(); }
Description : Write a program in C++ to implement following inheritance. Assume suitable data.
Last 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>> ... m.acc1(); m.dis1(); w.acc2(); w.dis2(); getch(); }
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
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(); }
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
Description : Write a program for multiple inheritance.
Last Answer : #include #include class base1 { public: void show1() { cout
Description : Write a program to implement single inheritance from the following Refer Figure No.1
Last Answer : #include #include class employee { protected: int emp_id; char name[10]; }; class emp_info:public employee { int basic_salary; public: void getdata() { coutemp_id; coutname; coutbasic_salary; } void putdata() { cout
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(); }
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(); }
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.
Description : Write a program to implement multiple inheritance as shown in following Figure No.1: Accept and display data for one object of class result.
Last Answer : Program: #include<iostream.h> #include<conio.h> class Subject1 { protected: float m1; }; class Subject2 { protected: float m2; }; class Result:public Subject1,public Subject2 { ... ; clrscr(); r.accept(); r.calculate(); r.display(); getch(); }
Description : Write a C++ program to implement inheritance shown in following figure: Accept and display data of one teacher and one student using object of class ‘Info’
Last Answer : #include<iostream.h> #include<conio.h> class Teacher { protected: char Name[20]; int empid; }; class Student { protected: char sname[20]; int rollno; }; class Info:public ... I.acceptT(); I.displayT(); I.acceptS(); I.displayS(); getch(); }
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.
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 };
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.
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(); }
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
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:
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 .
Description : List various visibility modes used in inheritance.
Last Answer : Different visibility modes used in inheritance are: 1) Private 2) Protected 3) Public
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(); }
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; };
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; };
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
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(); }
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
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(); }
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(); }
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(); }
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
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
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(); }
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(); }
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(); }
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(); }
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(); }
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
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
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
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(); }
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(); }
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; }
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(); }
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(); }
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(); }
Description : Write a C++ program to implement following inheritance. Accept and display data for one programmer and one manager. Make display function virtual.
Last Answer : #include #include class Employee { int empid,empcode; public: void emp() { coutempid; coutempcode; } void virtual display() { cout
Description : Describe structure of C++ program.
Last Answer : General C++ program has following structure. INCLUDE HEADER FILES DECLARE CLASS DEFINE MEMBER FUNCTIONS DEFINE MAIN FUNCTION Description:- 1. Include header files In this section ... Functions This section the programmer creates object and call various functions writer within various class.
Description : Write down characteristics of object oriented programming.
Last Answer : Characteristics of object oriented programming are: Emphasis is on data rather than procedure. Programs are divided into objects. Data structures are designed such that they characterize the ... can be easily added whenever necessary. Follows bottom-up approach in program designing.
Description : What is pure virtual functions? Write down the rules used for pure virtual function.
Last Answer : A pure virtual function is a function which is declared in a base class and which does not have definition relative to the base class. In such cases, the compiler requires each derived class to either ... A class containing pure virtual functions cannot be used to declare any objects of its own.
Description : Write use of ‘This’ pointer.
Last Answer : this pointer is used to represent an object that invokes a member function. It points to the object for which the function is called. It is also used to access members of object inside function definition of called function