TRUE$/$FALSE: Mark T for True and F for False $\_\_\_\_\_1.$ A methodology helps us to produce code that is more extensible, more reusable and easier to debug.$\_\_\_\_\_2.$ One of the market leading methodologies is the Rational Unified Process $($RUP$),$ owned by IBM.$\_\_\_\_\_3.$ Inheritance has a contraction flavor: the parent class is a more specialized or restricted form of the child class.$\_\_\_\_\_4.$ Amber use cases wont be implemented in the current increment, even if time permits.$\_\_\_\_\_5.$ Requirements that dont fit with any use case can be recorded in a supplementary requirements document.$\_\_\_\_\_6.$ The substitutability principle says that given two classes A and B$,$ where B is a subclass of A$,$ it should be possible to substitute any instance of class B for instances of class A in any situation with no observable effect.$\_\_\_\_\_7.$ The "has$-$as$"$ relationship between two concepts holds when the one is a component of the other but the two are not in any sense the same thing.$\_\_\_\_\_8.$ The concept of subtyping is a way of constructing new software components using existing components.$\_\_\_\_\_9.$ Refinement semantics solve the conflict between overriding and substitutability.$\_\_\_\_\_10.$ Multiple inheritance is a powerful and useful feature in a languages but creates many and subtle problems for the language implementor.$\_\_\_\_\_11.$ In a good design the elements within one module or class should have internal cohesion.$\_\_\_\_\_12.$ Type systems, which stop us misusing values by forcing us to declare how we intend to use a value.$\_\_\_\_\_13.$ Testing used to fix and improve our software over time to maintain competitive advantage.$\_\_\_\_\_14.$ The systematic of software engineering includes knowledge, tools, and methods for each stage of software team.$\_\_\_\_\_15.$ All object$-$oriented methodologies are alike they have similar phases and similar artifacts but there are many small differences.$\_\_\_\_\_16.$ Subclassing for Combination employed when two classes have similar implementations but no conceptual hierarchical relation.$\_\_\_\_\_17.$ Some developers consider UML simply as a notation to be used for brainstorming and high$-$level documentation.$\_\_\_\_\_18.$ The glossary is a modern alternative to a data dictionary.$\_\_\_\_\_19.$ Subclassing for Limitation used when an existing base of classes is hard to modify.$\_\_\_\_\_20.$ A use case survey allows sponsors to get a greater understanding of the use cases without any of the developers present.