The document discusses object-oriented principles and design, including interfaces, SOLID principles, and clean coding best practices. It explains key concepts like interfaces being used to define shared boundaries for exchanging information between components. The five SOLID principles - single responsibility, open/closed, Liskov substitution, interface segregation, and dependency inversion - are covered through examples. Additional best practices like KISS, YAGNI, and DRY are also mentioned. Peer review concepts such as contrived complexity, cyclomatic complexity, and downcasting are highlighted.
19. WHAT IS COLPOP
COLPOP
implements Eatable, Drinkable
http://www.java67.com/2015/12/top-30-oops-
concept-interview-questions-answers-
java.html#What is the 5 objects oriented design
principle from SOLID?
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