TDD Inversion o Dependencies Separation of Concerns Liskov Substition Principle Composition over Inheritance Open/Closed Principle le Responsibility ’t repeat your self ndency Inversion ion Princip oncern Lisk Separ Compositio Open/Clos Sing nce ngle ty Sin ility O Si
TDD Inversion o Dependencies Separation of Concerns Liskov Substition Principle Composition over Inheritance Open/Closed Principle le Responsibility ’t repeat your self ndency Inversion ion Princip oncern Lisk Separ Compositio Open/Clos Sing nce ngle ty Sin ility O Si WHY?