A jar file contains Java external dependencies such as classes, resources, and metadata. It is often used to package libraries and dependencies that your Java application requires to simplify the distribution and organization of Java code. In this article, we…
Serialization is used to convert an object’s state into a format that can be easily stored or transmitted, such as a string. In this article, we will see how to serialize an object into a string with Java’s built-in serialization…
In this article, we will see the potential causes and strategies for addressing “java.lang. OutOfMemoryError: unable to create new native Thread” runtime error Causes of this error: This runtime error usually happens when a Java application is unable to create…
Interfaces define contracts for classes to follow and are often associated with method declarations. They also contain constants known as “interface constants“. This article will discuss interface constants and how they contribute to creating more maintainable and flexible code. What…
In Jackson, the JsonNode class represents a node in a JSON structure, which includes JSON objects, arrays, primitive values, etc., where an ArrayNode is a type of JsonNode that specifically represents a JSON array. In this article, we will see…
A domain is a human-readable identifier that represents a specific web location. Usually, we extract the domain names from the URL for analytics or to provide personalization services. In this article, we will see how to extract a domain name…
The TimeUnit enum is part of the java.util.concurrent package and provides a set of time units, ranging from nanoseconds to days, which is commonly used for managing time durations and conversions in concurrent and time-sensitive applications. In this article, we…
It is a very common requirement to find the timezone of users when they are spread across different time zones. Whether it’s event timings, notifications, etc., the user experience will be enhanced by displaying time-related information accurately in the user’s…
Mockito is a popular Java library for creating mock objects in unit testing. In some cases, we might need to simulate the behavior of a mocked object whose values keep changing. In this article, we will see how to use…
The URISyntaxException is an exception that occurs when constructing, parsing, or manipulating URIs with incorrect syntax. In this article, we will discuss some best practices for dealing with URISyntaxException in Java. This exception is usually thrown during the creation of…