Class Array

Arrays/17_nsertion_and_Deletion.cpp:4–43

// Here namespace is having obj like cin and cout ; 
using namespace std;
class Array  // Creating class 
// Class in c++ will have Datamember and member function
{
	private:
	int *A;  // Creating in heap so that i can  dynamically create an array 
	int size;
	int length;
	
	public: // Member function must be inside public 
	// Write an constructor
	Array () // This is non parameter constructor
	{
		size=10;
		A = new int[10]; // dynamically created array in heap
		length=0;
		
	}
	
	// parametetrzied Constructor 
	
	Array (int sz)
	{
		size=sz;
		length=0;
		A=new int [size];
	}
	
	
//	We must have destructors to release resourses
	~Array()     // Creating Destructor 
	{
		delete []A;
	}
	
	// Writting Function 
	void Display (); // There sud not be parameter cz this is part of Array function 
	void Insert (int index, int x);
	int Delete (int index);
	
};

void Array :: Display ()
{