Happy Codings - Programming Code Examples

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C++ > Beginners Lab Assignments Code Examples

Inheritance allows the child class to acquire the properties



Inheritance allows the child class to acquire the properties

Inheritance is one of the feature of Object Oriented Programming System(OOPs), it allows the child class to acquire the properties (the data members) and functionality (the member functions) of parent class.

What is child class?
A class that inherits another class is known as child class, it is also known as derived class or subclass.

What is parent class?
The class that is being inherited by other class is known as parent class, super class or base class.

#include <iostream>
using namespace std;
class Teacher {
public:
  Teacher(){
    cout<<"Hey Guys, I am a teacher"<<endl;
  }
  string collegeName = "Happy College :)";
};
//This class inherits Teacher class
class MathTeacher: public Teacher {
public:
  MathTeacher(){
    cout<<"I am a Math Teacher"<<endl;
  }
  string mainSub = "Math";
  string name = "Jack";
};
int main() {
  MathTeacher obj;
  cout<<"Name: "<<obj.name<<endl;
  cout<<"College Name: "<<obj.collegeName<<endl;
  cout<<"Main Subject: "<<obj.mainSub<<endl;
  return 0;
}

Check a Number can be Expressed as Sum
Program to check whether a number can be expressed as sum of two prime numbers. To accomplish this task, "checkPrime()" function is created. The "checkPrime()" returns 1 if the

C++ Language Add Digits of any Number
To add digits of any number in C++, we enter the number to add their digits & displays the "Addition Result" of the digits of the entered number on the output screen as shown here

Using Virtual Functions in C++ Language
See in this case the output is Woof, which is what we expect. What happens in this case? Since we marked the function animalSound() as virtual, the call to the function is resolved

The C++ Shortest path program using STL
Process a request; return false if end of file. A simple main that reads a file given by argv[1] and then calls "processRequest" to compute shortest paths. Then 'Skimpy' error checking

C++ Language Samples Separate Chaining
Internal method to test if a positive number is prime. Not an efficient algorithm and Internal method to return a 'prime number' at least as large as n. Assumes "n > 0". Insert item x into

Printing 100 Ramanujan Numbers 2 Ways
C++ Sample code Print first 100 "Ramanujan Numbers" by TWO WAYS 1st way is printing ramunajan numbers from RN taking RN from 0 to INFINITY & print first 100 numbers. 2nd

C++ Detecting a Keypress and ASCII Code
Program which detects a key pressed and its 'ASCII' value with out pressing enter key and using cin>> on press Esc key program should exit. When press a key its ASCII value should

C Language Break Statements Switch Case
Break Statements are useful when you want your program-flow to come out of the switch body. Whenever break is encountered in the switch body, the control comes out of switch

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