Kernighan and Plauger argue a minimalist philosophy of tool building. Their thesis is that each program should perform exactly one task, and more complex programs should be formed by combining simpler programs. Discuss how this philosophy fits in with the principle of economy of mechanism. In particular, how does the advantage of the simplicity of each component of a software system offset the disadvantage of a multiplicity of interfaces among the various components

Which of the following statements is false? a. a class can directly inherit from class object. b. if the class you're inheriting from declares instance variables as private, the inherited class can access those instance variables directly. c. a class's instance variables are normally declared private to enforce good software engineering. d. it's often much more efficient to create a class by inheriting from a similar class than to create the class by writing every line of code the new class requires.