Overview Pattern matching is one of the most powerful features introduced in the recent versions of java. It helps us remove the redundant type casting. In this post, I will cover the key aspects of pattern matching with examples. Let’s get started. What is pattern matching? When talking about pattern matching in java, the first … Read more
Overview In Java, the == operator and the equals() method are both used to compare objects, but they serve different purposes and operate in fundamentally different ways. Stack, Heap, and References Before delving into the differences between == and equals, first, you need to understand what are references and how they are stored and used in Java. References and … Read more
Overview One of the biggest questions I have when studying the functional interfaces in java.util.function is why the creators made DoubleConsumer (LongConsumer, IntConsumer) while there is already a Consumer interface that can handle any kind of object. It turned out, they have solid reason to do so. Boxing, unboxing, autoboxing primer As you may already … Read more
Overview In Java functional programming, Consumers are incredibly versatile and valuable, particularly when it comes to performing actions on data without returning values. Why use Consumers? Here are the main reasons using Consumers is beneficial to your code: Simplifying Side Effects You may hear or read somewhere that in functional programming, side effects should be … Read more
Overview The predicate interfaces in the java.util.function package return a boolean given one or some arguments. The primary purpose of the Predicate interface is to simplify the task of evaluating conditions or tests within your Java applications. It abstracts the process of writing conditional statements and allows you to represent complex conditions as reusable, composable … Read more
Overview Hashtable and HashMap are common data structures to store key-value data in your Java application. While having similarities, there are some crucial differences you need to know as a Java developer. Let’s discuss the differences between these two data structures in this post. Hashtable is thread-safe, HashMap is not Consider the following code using … Read more