Complete. Stuck in my Implement the class Point3D. Put the class definition in the header p1.h and the implementation in the p1.cpp file. You may not have anyinline functions defined in the header file. Use the file xercise.cpp to check if your implementation is syntactically correct.• The class has three data members: x, y, and z, which are double.• The default constructor initializes the Point3D to the origin (0, 0, 0), while the working constructor supplies values for x, y, and 2:all doubles in that order.• Create accessors getX(), getY() and getZ(). There are no mutators. (The class is immutable)•Write a member function distance() that returns the distance between the current Point3D (the implicit parameter which will bethe left-hand side of an expression) and a second Point3D passed as an explicit parameter (which will be the right-hand-side of theexpression). Here is the distance formula for a 3D point:(x₁-x2)² + (y₁ - y₂)² + (Z₁-Z2)²You must both define and implement a feature for the tests to run. For instance, if you define getX() but fail to implement it, then yourcode will not compile. If your code fails to compile, comment out both the definition and the implementation of the feature that fails.Exam C++ Quick Reference1.cpp1#include 2#include 3 #include 4 #include 5 #include 67 #include "p1.h"89 // Implement your member functions in this fileSENAZAS=28=AAZAAZA10 Point3D Point3D()11 {1213 }141715 Point3D:: Point3D(double xx, double yy, double zz)16 {18192921using namespace std;2423 {22 double Point3D :: getX()return x;2625 }29}303127 double Point3D :: getY()34{x=y=z= 0;}33 {X = XX;y = yy:z = 22;32 double Point3D::get()35 }return y;return z; Checking the Point3D classChecking: + Data members defined.Expected: + Data members defined.Default constructor defined-const Point3D pt;Expected: Default constructor defined-const Point3D pt;Point3D x: 0Expected: 0.0Point3D y: 0Expected: 0.0Point3D z: 0Expected: 0.0Working constructor defined- Point3D pt(4.92,5.45,8.68)Expected: Working constructor defined- Point3D pt (4.92,5.45,8.68)Point3D x: 4.92Expected: 4.92Point3D y: 5.45Expected: 5.45Point3D z: 8.68Expected: 8.68Accessors getX(), getY(), getZ() NOT defined.Expected: Accessors getX(), getY(), getZ() defined.Point3D x: accessor getX() not defined correctly.Expected: 9.7Point3D y: accessor getY() not defined correctly.Expected: 5.19Point3D z: accessor getY() not defined correctly.Expected: 6.94distance() member function NOT is defined.Expected: distance() member function is defined.Point3D(0,0,0).distance(Point3D(4.92,5.45,8.68)): not definedExpected: 11.3689Point3D(4.92,5.45,8.68). distance (Point3D(9.70,5.19,6.94)): not definedExpected: 5.09349Point3D(9.70,5.19,6.94).distance (Point3D()): not definedExpected: 13.0073

Question

Complete. Stuck in my Implement the class Point3D. Put the class definition in the header p1.h and the implementation in the p1.cpp file. You may not have anyinline functions defined in the header file. Use the file xercise.cpp to check if your implementation is syntactically correct.• The class has three data members: x, y, and z, which are double.• The default constructor initializes the Point3D to the origin (0, 0, 0), while the working constructor supplies values for x, y, and 2:all doubles in that order.• Create accessors getX(), getY() and getZ(). There are no mutators. (The class is immutable)•Write a member function distance() that returns the distance between the current Point3D (the implicit parameter which will bethe left-hand side of an expression) and a second Point3D passed as an explicit parameter (which will be the right-hand-side of theexpression). Here is the distance formula for a 3D point:(x₁-x2)² + (y₁ - y₂)² + (Z₁-Z2)²You must both define and implement a feature for the tests to run. For instance, if you define getX() but fail to implement it, then yourcode will not compile. If your code fails to compile, comment out both the definition and the implementation of the feature that fails.Exam C++ Quick Reference1.cpp1#include 2#include 3 #include 4 #include 5 #include 67 #include &#34;p1.h&#34;89 // Implement your member functions in this fileSENAZAS=28=AAZAAZA10 Point3D Point3D()11 {1213 }141715 Point3D:: Point3D(double xx, double yy, double zz)16 {18192921using namespace std;2423 {22 double Point3D :: getX()return x;2625 }29}303127 double Point3D :: getY()34{x=y=z= 0;}33 {X = XX;y = yy:z = 22;32 double Point3D::get()35 }return y;return z; Checking the Point3D classChecking: + Data members defined.Expected: + Data members defined.Default constructor defined->const Point3D pt;Expected: Default constructor defined->const Point3D pt;Point3D x: 0Expected: 0.0Point3D y: 0Expected: 0.0Point3D z: 0Expected: 0.0Working constructor defined-> Point3D pt(4.92,5.45,8.68)Expected: Working constructor defined-> Point3D pt (4.92,5.45,8.68)Point3D x: 4.92Expected: 4.92Point3D y: 5.45Expected: 5.45Point3D z: 8.68Expected: 8.68Accessors getX(), getY(), getZ() NOT defined.Expected: Accessors getX(), getY(), getZ() defined.Point3D x: accessor getX() not defined correctly.Expected: 9.7Point3D y: accessor getY() not defined correctly.Expected: 5.19Point3D z: accessor getY() not defined correctly.Expected: 6.94distance() member function NOT is defined.Expected: distance() member function is defined.Point3D(0,0,0).distance(Point3D(4.92,5.45,8.68)): not definedExpected: 11.3689Point3D(4.92,5.45,8.68). distance (Point3D(9.70,5.19,6.94)): not definedExpected: 5.09349Point3D(9.70,5.19,6.94).distance (Point3D()): not definedExpected: 13.0073

Accepted Answer

Filep1.h
#include <iostream>using namespace std;class Point3D{    private:        double x, y,…