-
Core Java
IncompatibleClassChangeError in Java
The IncompatibleClassChangeError is a runtime exception in Java that occurs when a class undergoes an incompatible change after it has…
Read More » -
Enterprise Java
Manually Destroy Prototype Spring Bean
In Spring Framework, beans can be defined with different scopes. The most common scopes are singleton and prototype. While singleton…
Read More » -
Core Java
JUnit AutoClose Extension Tutorial
Junit 5 has brought numerous enhancements and new features to the table, making unit testing more powerful and flexible. One…
Read More » -
Core Java
Naming Executor Service Threads and Thread Pool in Java
In Java, ExecutorService is a framework that provides a way to manage and control thread execution. It helps in creating…
Read More » -
Core Java
Verify List Elements with Specific Properties Using Hamcrest
Hamcrest is a powerful framework used for writing matcher objects, which are helpful when writing tests in Java. One common…
Read More » -
Core Java
Hamcrest Collection hasItem() Example
In Java, it’s common to check whether a collection contains a specific element. This is a frequent task in testing…
Read More » -
Core Java
Java Array: Count Distinct Elements Frequencies
In programming, one common task is counting the number of times a specific element appears in an array. This is…
Read More » -
Core Java
Getting the Insert ID in JDBC
When working with relational databases in Java, it’s common to perform insert operations and then retrieve the ID of the…
Read More » -
Core Java
Using Apache POI to Extract Column Names From Excel
Apache POI is a powerful library that allows developers to work with Microsoft Office documents, including Excel files. Let us…
Read More »
