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  1. 	#include <iostream>
  2. 	#include <string.h>
  3. 	using namespace std;
  4.  
  5. 	class Person{
  6. 		char name[20];
  7. 		int age;
  8. 		char aadhar[13];
  9.  
  10. 		public:
  11.  
  12. 		Person(char const *name,int age,char const *aadhar){
  13. 			strcpy(this->name,name);
  14. 			this->age=age;
  15. 			strcpy(this->aadhar,aadhar);
  16. 	//		cout << "in Person's Parameterised Constructor" << endl;
  17. 		}
  18.  
  19. 		Person(){
  20. 			strcpy(this->name,"");
  21. 			this->age=0;
  22. 			strcpy(this->aadhar,"");
  23. 	//		cout << "in Person's Default Constructor" << endl;
  24. 		}
  25.  
  26. 		protected:
  27.  
  28. 		void getName(char const *name){
  29. 			strcpy(this->name,name);
  30. 		}
  31.  
  32. 		void displayName(){
  33. 			cout << "\n\nDetails of person: Name- " << name << "\n";
  34. 		}
  35.  
  36. 		void getAge(int age){
  37. 			this->age=age;
  38. 		}
  39.  
  40. 		void displayAge(){
  41. 			cout << "Age- " << age << "\n";
  42. 		}
  43.  
  44. 		void getAadhar(char const *aadhar){
  45. 			strcpy(this->aadhar,aadhar);
  46. 		}
  47.  
  48. 		void displayAadhar(){
  49. 			cout << "Aadhar- " << aadhar << "\n";
  50. 		}
  51. 	};
  52.  
  53. 	class library{
  54. 		char book[20];
  55. 		int issue_id;
  56.  
  57. 		public:
  58.  
  59. 		library(char const *book,int issue_id){
  60. 			strcpy(this->book,book);
  61. 			this->issue_id=issue_id;
  62. 		}
  63.  
  64. 		library(){
  65. 			strcpy(this->book,"");
  66. 			this->issue_id=0;
  67. 		}
  68.  
  69. 		protected:
  70.  
  71. 		void getBook(char const *book){
  72. 			strcpy(this->book,book);
  73. 		}
  74.  
  75. 		void displayBook(){
  76. 			cout << "Book- " << book << "\n";
  77. 		}
  78.  
  79. 		void getIssue_id(int issue_id){
  80. 			this->issue_id=issue_id;
  81. 		}
  82.  
  83. 		void displayIssue_id(){
  84. 			cout << "Issue Id- " << issue_id << "\n";
  85. 		}
  86. 	};
  87.  
  88. 	class Student : Person,library{
  89. 		int roll_no;
  90. 		char course[10];
  91. 		float marks;
  92.  
  93. 		public:
  94.  
  95. 		Student(char const *name,int age,char const *aadhar,int roll_no,char const *course,float marks,char const *book,int issue_id):Person(name,age,aadhar),library(book,issue_id){
  96. 			this->roll_no=roll_no;
  97. 			strcpy(this->course,course);
  98. 			this->marks=marks;
  99. 	//		cout << "in Student's Parameterised constructor" << endl;
  100. 		}
  101.  
  102. 		Student():Person(),library(){
  103. 			this->roll_no=0;
  104. 			strcpy(this->course,"");
  105. 			this->marks=0.0;
  106. 		}
  107.  
  108. 		void getRoll(char const *name,int age,char const *aadhar,int roll_no){
  109. 			this->roll_no=roll_no;
  110. 			getName(name);
  111. 			getAge(age);
  112. 			getAadhar(aadhar);
  113. 		}
  114.  
  115. 		void displayRoll(){
  116. 			displayName();
  117. 			displayAge();
  118. 			displayAadhar();
  119. 			cout << "RollNo.- " << roll_no << "\n";
  120. 		}
  121.  
  122. 		void getCourse(char const *course){
  123. 			strcpy(this->course,course);
  124. 		}
  125.  
  126. 		void displayCourse(){
  127. 			cout << "Course- " << course << "\n";
  128. 		}
  129.  
  130. 		void getMarks(float marks,char const *book,int issue_id){
  131. 			this->marks=marks;
  132. 			getBook(book);
  133. 			getIssue_id(issue_id);
  134. 		}
  135.  
  136. 		void displayMarks(){
  137. 			cout << "Marks- " << marks << "\n";
  138. 			displayBook();
  139. 			displayIssue_id();
  140. 			cout << "\n";
  141. 		}
  142. 	};
  143.  
  144. 	int main(){
  145.  
  146. 		// Parameterised constructor object
  147.  
  148. 		Student std("Vikas",39,"ACIS1983318Y",28,"DVLSI",99.5,"The Jungle Book",1203);
  149. 		std.displayRoll();
  150. 		std.displayCourse();
  151. 		std.displayMarks();
  152.  
  153. 		// Default constructor object
  154.  
  155. 		Student std1;
  156. 		std1.getRoll("Shashank",5,"AXPY125449SA",24);
  157. 		std1.getCourse("DVLSI");
  158. 		std1.getMarks(91.3,"Julius Caesar",1508);
  159. 		std1.displayRoll();
  160. 		std1.displayCourse();
  161. 		std1.displayMarks();
  162. 	}
  163.  
Success #stdin #stdout 0s 15240KB
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stdin
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Standard input is empty
stdout
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Details of person: Name- Vikas
Age- 39
Aadhar- ACIS1983318Y
RollNo.- 28
Course- DVLSI
Marks- 99.5
Book- The Jungle Book
Issue Id- 1203



Details of person: Name- Shashank
Age- 5
Aadhar- AXPY125449SA
RollNo.- 24
Course- DVLSI
Marks- 91.3
Book- Julius Caesar
Issue Id- 1508
https://ideone.com/dmVJgS
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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