Why business is not eager for refactoring?
I have quite often meet with opinions that claims that business (by buisness I mean company) doesn’t allow the programming team to refactor or just put some ...
Posts by Category
Blog
Composition, Aggregation and Association
Introduce
Sets in java
Set
Maps in java
Map
Lists in Java
List
BigDecimal and BigInteger in Java
BigDecimal
DeMorgan’s Laws
DeMorgan’s Laws
Transactions with Spring and JPA
What is Transactions?
JPA/Hibernate Cascade types
What is Cascading?
Hibernate Fetch Mode vs Fetch Type
Fetch Mode vs Fetch Type
Builder Design Patter
Builder is a creational design pattern that lets you construct complex objects step by step. The pattern allows you to produce different types and representa...
Java equals and hashCode contract
Equals() method
Comparable and Comparator Interfaces
Comparable.
Spring Cache
What is Spring Cache? How to configure it in your project and how to use it? How does Spring Cache work? How to add an external provider that allows flexible...
MongoDB Indexes
Why use indexes?
Observer Design Patter
The observer pattern is a software design pattern in which an object, named the subject, maintains a list of its dependents, called observers, and notifies t...
Spring Bean Scopes
The scope defines the runtime context within which the bean instance is available.
Custom Assertions with AssertJ
You may have contact with test that are not too readable, as the communicates when they fail. In that case you should take in consideration creating your own...
Strategy Design Patter
Strategy is a behavioral design pattern that lets you define a family of algorithms, put each of them into a separate class, and make their objects interchan...
SOLID: The First 5 Principles of Object Oriented Design
SOLID is an acronym for the first five object-oriented design (OOD) principles by Robert C. Martin (also known as Uncle Bob).
What are benefits of testing?
Do i really need tests? Isn’t it a waste of time? And other questions like this that you might asked once or still asking yourself. Its not true and let me e...