plz help

Write a class called 'Animal' with one attribute noOflegs and two constructors with or without setting the values of noOfLegs. Create a subclass called 'Human' that has a constructor that sets the value to noOfLegs to 2. 2. What are different types of constant pointers? Give example of each with code. 3. Write a code to pass the function to another function. float area(float rad) { Return 3.14*rad rad; } 4. What is inline function? Write down some advantages and disadvantages. 5. Write a class called 'Date' that has three integer attributes day, month, year. It has a set Month function that throws an exception if the value is less than 1 and more than 12. Write the main function to test your code