Handling null values effectively in Java is crucial for developing robust applications. The introduction of the Optional class in Java 8 marked a significant improvement in how Java developers can manage nullability in a more functional style. This guide will explore the Optional class, how to utilize it for null checks, and its benefits over […]
Java API to get Domain Authority and other Moz URL Metrics
Moz is one of the popular platform offering various tools and services for Search Engine Optimization. Keyword Research, Link Building, SEO Audit and Rank Tracking are some of the key services offered by Moz. Services provided by Moz are extensively used by freelancers and Digital marketing companies to analyze and track the performance of websites […]
How to Password Protect a PDF File using Java
PDF (Portable Document Format) files are widely used for sharing documents due to their platform-independent nature and consistent formatting. However, some documents may contain sensitive information that requires an extra layer of security. If you are a Java developer, you can easily accomplish this […]
How to Create Immutable Objects in Java
In Java programming, creating immutable objects is quite important, particularly in multi-threaded applications where data consistency and thread safety are paramount. Immutable objects, once created, cannot be altered. This immutability can lead to simpler, more robust code that is easier to understand and maintain. In this blog post, we will explore the concept of […]
How to Solve Maven invalid CEN header error
While compiling or building a maven project, sometimes you may get an invalid CEN header (bad signature) error like below, [INFO] Building OpenJavaProfiler 0.0.1-SNAPSHOT [INFO] ———————————————————————— [INFO] [INFO] — maven-resources-plugin:2.3:resources (default-resources) @ OpenJavaProfiler — [WARNING] Using platform encoding (UTF-8 actually) to copy filtered resources, i.e. build is platform dependent! [INFO] Copying 0 resource [INFO] [INFO] — […]
How to configure JaCoCo for Code Coverage in Spring boot Applications
Code coverage is a crucial aspect of software development that helps to measure the effectiveness of testing and ensures the quality of the codebase. In this comprehensive guide, we will explore the concept of code coverage specifically for Springboot applications and delve into the implementation of JaCoCo, a popular code coverage tool for Java projects. […]
MySQL Scheduler Overview with Examples
MySQL Scheduler (also called Event Scheduler) lets you to schedule the tasks or events at a specified time. MySQL Event Scheduler could be very useful if you want to follow a specific schedule (predefined time or regular intervals) to execute one or more queries. When we create an Event, MySQL would be internally creating a named […]
Wildcard SSL Certificate Configuration in JBoss
Securing the webtraffic or connection to the servers is of paramount interest for any one who wants to prevent any kind of malicious attacks on their servers. One of the most popular ways to secure the web traffic is to use https. In order to enable https, we have to buy a SSL digital certificate […]
Top 5 Java Code Coverage Tools
In the rapidly progressing world of Java development, ensuring top-tier quality and resilience of software has never been more crucial. Code coverage stands out as a pivotal metric in this arena, and the tool you pick can profoundly influence the trustworthiness of your software. Let’s deep dive into the top 5 Java code coverage tools […]
How to check whether a Collection is Null or Empty in Java
Managing collections efficiently is crucial in Java, especially when ensuring they are not null or empty before performing operations. This guide will walk you through how to check if a collection is null or empty using both the Apache Commons Collections and Spring Framework utilities, along with native Java approaches. Before manipulating collections—such as lists, […]