What is meant by a homogeneous structure? What is meant by a heterogeneous structure? What three elements must be present in the definition of a record? How do Ada, VB.NET, and C++ express the three...

What is meant by a homogeneous structure? What is meant by a heterogeneous structure? What three elements must be present in the definition of a record? How do Ada, VB.NET, and C++ express the three elements outlined in Exercise 65? Although Ada, VB.NET, and C++ are quite different in many ways, they all access the fields of a record in the same way.