a) Our String class always deletes the old character buffer and allocates a new character buffer on assignment or in the copy constructor. This need not be done if the new value is shorter than the current value and hence would fit the existing buffer. Rewrite the String class to only allocate a new buffer when necessary

Communication is the exchange of information. true false

Acase study allows a more detailed look at the life of a single subject than any other study.

Need asap write a short paper describing the history and differences between six sigma, waterfall, agile, and scrum models. understanding these models can give you a good idea of how diverse and interesting it development projects can be. describe what the rationale for them is and describe their key features. describe the history behind their development. at least 400 words