creating an object from constructor in c++ code example

Example 1: how to initialize the object in constructor in c++

BigMommaClass {
    BigMommaClass(int, int);

private:
    ThingOne thingOne;
    ThingTwo thingTwo;
};

BigMommaClass::BigMommaClass(int numba1, int numba2): thingOne(numba1 + numba2), thingTwo(numba1, numba2) {
// Code here
}

Example 2: c++ class constructor

class MyClass {
   public:
      MyClass();  // This is the constructor
   private:
      int someInt;
};

MyClass::MyClass(void) {
   someInt = 1;
}