Java naming conventions are sort of guidelines that application programmers are expected to follow to produce consistent and readable code throughout the application. If teams do not follow these conventions, they may collectively write an application code that is hard to read and difficult to understand. Always try to give descriptive and concise names to …
Learn about the FIRST principles for unit testing that can help make our unit tests shine and ensure they pay off more than they cost.
These tips will help you devise and follow a practical and measurable performance optimization plan for a Java application.
When unit testing the DAO / Repository interfaces, it is very important to know what we are testing and what assumptions we are asserting.
If you have worked on Spring framework projects, then you must have seen spring context configuration files (e.g. applicationContext.xml) where in header you specify the schema references (.xsd) for various spring modules. In schema references, we mention the xml namespace and as well as schema version number. Well specifying schema …
Let us identify 8 such warning signs, which will provide us with subtle hints that a particular test/suit should be improved.
Learn SOLID principles in Java with examples. Single Responsibility Principle, Open Closed Principle, Liskov’s Substitution Principle, Interface Segregation Principle, Dependency Inversion Principle.
Use the constructor parameters wisely to reduce the number of unnecessary objects and improve the performance of ConcurrentHashMap.
In this Java exception handling tutorial, learn a few important best practices to write robust application code which is error-free as well.
This Java article compares the performance of an ArrayList iteration using simple for-loop, enhanced for-loop, list iterator and stream API.
Java Serialization – Dos and don’ts for correct serialization and deserialization. Learn to use serialVersionUID, readObject and writeObject with example.
It is overwhelmingly easy to write bad unit tests that add very little value to a project while astronomically inflating the cost of code changes. This post will go through the JUnit best practices we must consider while writing the test cases. In programming, “Unit testing is a method by …
In contrast to traditional custom exceptions, the new approach uses static inner classes for every new exceptional scenario.
HowToDoInJava provides tutorials and how-to guides on Java and related technologies.
It also shares the best practices, algorithms & solutions and frequently asked interview questions.