Blog Archives

01: Can you design classes & interfaces using OO?

Q1. How would you go about designing a “farm animals” application where animals like cow, pig, horse, etc move from a … … Read more ›...



02: Scenarios based Java OO concepts & GoF design patterns – naive Template Method pattern

Extends Can you design classes & interfaces using OO?. Only experience, and asking the right questions can teach you what …

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03: Scenarios based Java OO concepts & GoF design patterns – Strategy Pattern

The following post improves on the design flaws listed in the previous post entitled 02: Scenarios based Java OO design & … … Read more ›...



Class invariant & designing by contract

Q1. What is a class invariant? A1. Class invariant is — what must be true about each instance of … … Read more ›...



How would you go about designing with UML diagrams

This extends 12 UML Interview Questions & Answers. Q1. How would you go about designing a system as described below? … … Read more ›...



Part 1: Badly designed Java classes & interfaces

4 Part practical design concept series Part 1: Abstraction | Part 2: Single Responsibility Principle | Part 3: … … Read more ›...



Part 2: Badly designed classes & interfaces

4 Part practical design concept series Part 1: Abstraction | Part 2: Single Responsibility Principle | Part 3: … … Read more ›...



Part 3: Badly designed classes & interface

4 Part practical design concept series Part 1: Abstraction | Part 2: Single Responsibility Principle | Part 3: … … Read more ›...



Part 4: Badly designed classes & interfaces

4 Part practical design concept series Part 1: Abstraction | Part 2: Single Responsibility Principle | Part 3: … … Read more ›...



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