Overview of the Fork/Join Framework in Java The Fork/Join framework in Java is an example of the divide and conquer s...
4 Key differences between a HashMap and a Hashtable in Java
Overview Hashtable and HashMap are common data structures to store key-value data in your Java application. While hav...
Java Exception Handling Cheat Sheet
Overview While preparing for the OCP 17 exam, I created some notes to aid my learning. This is the first of many post...
Fix Failed to instantiate… using constructor NO_CONSTRUCTOR with arguments
Overview I woke up on Saturday morning expecting a normal day where I worked on my side project ukata.io. However, li...
Understand Hibernate @ManyToOne, @OneToMany With Examples
Overview @ManyToOne and @OneToMany are standard mappings in Hibernate. Understanding how to use them correctly is the...
Using Custom Converter In Hibernate
Overview Imagine this scenario, you have a legacy database that store weather data. The previous developer, due to va...