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Java Code Geeks Blog
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2024-05-30 07:07
1. Introduction JavaScript Object Notation (JSON) is a text-based data format and widely used in the APIs for exchanging data between a client and server. The Jackson library from Faste… Read More
2024-05-29 16:20
The world of microservices demands agility, efficiency, and lightning-fast performance. Enter Micronaut, a game-changing Java framework poised to revolutionize how you build REST APIs. You w… Read More
2024-05-29 06:00
JMeter, a popular open-source load testing tool, offers a wide range of features out of the box. But what if you need to go beyond those basic functionalities? That’s where JMeter plug… Read More
2024-05-28 16:51
Java lambdas, with their concise syntax and focus on functionality, have revolutionized Java programming. But what happens when things go wrong? Unhandled exceptions can derail the smooth ex… Read More
2024-05-28 10:01
Querydsl and JPA Criteria are widely used frameworks for creating type-safe queries in Java. Both offer methods to express queries with static typing, simplifying the process of writing effi… Read More
2024-05-27 17:00
In the fast-paced world of modern applications, efficiency is key. Often, tasks need to run concurrently to avoid bottlenecks and improve responsiveness. But managing threads directly can be… Read More
2024-05-27 12:58
1. Introduction Hibernate is an open source object relational mapping (ORM) tool that provides a framework to map object-oriented domain models to relational databases for web applications… Read More
2024-05-27 09:57
1. Introduction JavaScript Object Notation (JSON) is text-based data format that is easy for humans to read and write and easy for machines to parse and generate. It is widely used for APIs… Read More
2024-05-24 10:12
The Apache Commons CLI library is a powerful tool that enables developers to efficiently create command line interfaces (CLIs) for software applications. This framework streamlines the devel… Read More
2024-05-24 09:52
During code testing, we may need to capture the method parameters. Let us delve into understanding how Mockito captures passed parameters. 1. Introduction JUnit is a powerful and widely used… Read More
2024-05-23 15:18
Servlet filters provide a powerful way to intercept and manipulate incoming requests. However, accessing Spring-managed beans within these filters can be challenging. Let us delve into under… Read More
2024-05-23 15:01
Caching is a technique used to store data temporarily in a faster storage layer to improve the performance and responsiveness of applications. Let’s explore how to implement a two-leve… Read More
2024-05-22 14:40
Apache Kafka is an open-source stream-processing software platform developed by the Apache Software Foundation. Kafka uses topics, partitions, and replication to manage data organization, pa… Read More
2024-05-22 09:24
Working with data streams in Java is fundamental for interacting with files, network connections, and other sources. Among the key components in Java’s I/O framework are the InputStrea… Read More
2024-05-21 07:19
Jsoup, an open-source library, serves the purpose of scraping HTML pages by offering an API for parsing, extracting, and manipulating data through DOM API methods. Let us delve into understa… Read More
2024-05-21 07:10
1. Introduction In computer programming, an array is a collection of items stored in contiguous memory locations. In Java, an array is a data structure that stores multiple values of the sam… Read More
2024-05-20 07:36
1. Introduction JavaScript Object Notation (JSON) is a text-based format for storing and exchanging data. It’s commonly used by web developers to transfer data between a server and a w… Read More
2024-05-20 07:25
When handling date and time information in Java applications, it’s frequently essential to assess dates for different reasons like scheduling tasks, setting reminders, or generating re… Read More
2024-05-20 07:16
The RGB color model finds extensive application across diverse platforms and devices due to its compatibility with electronic display mechanisms. Within RGB, ‘R’ signifies Red, … Read More
2024-05-17 08:16
1. Introduction ISO 8859 is an eight-bit extension to ASCII developed by the International Organization for Standardization (ISO). ISO 8859 includes the 128 ASCII characters and additional 1… Read More
2024-05-17 08:10
Interacting with Uniform Resource Identifiers (URIs) is a frequent task, often encountered in both web development and file organization. Additionally, a prevalent requirement involves extra… Read More
2024-05-15 13:34
In Java, determining the majority element of an array involves identifying the element that appears more than half of the array’s size. Let us delve into understanding how to use Java… Read More
2024-05-15 07:12
1. Introduction An end-of-line (EOL) character is a special character that marks the end of a line in a text file or a string. Historically, different operating systems denote a different ch… Read More
2024-05-14 09:45
1. Introduction: Kubernetes has become the de facto platform for container orchestration in modern cloud-native environments. However, managing and securing sensitive information like passwo… Read More
2024-05-14 09:29
In Java, there are various methods available for determining whether a specific time falls within a given time range, disregarding dates. Let us explore various ways to check if a given time… Read More
2024-05-13 19:35
Peak elements in an array hold significance across various algorithms, providing valuable insights into the dataset’s properties. Let’s delve into understanding how to find peaks… Read More
2024-05-13 19:26
1. Introduction In Java, immutable objects are designed to have their state remain unchanged throughout their lifetime to ensure thread safety and prevent unintended modifications, fostering… Read More
2024-05-13 17:00
Have you ever dreamt of building a robust Java application without getting bogged down in complex configurations? Spring Boot makes that dream a reality! This framework empowers you to devel… Read More
2024-05-13 14:58
1. Introduction GZIP, short for GNU Zip, is a compression technology used for transferring data over the internet. Java built-in library includes the GZIPInputStream class which reads compre… Read More
2024-05-13 11:49
Redpanda is an open-source streaming platform built to be fast, scalable, and reliable, catering to the needs of modern data-intensive applications. It offers an Apache Kafka-compatible API… Read More
2024-05-13 09:15
When it comes to programming in Java, happy / sad number test is an interesting challenge. Happy numbers are those that, when the sum of the squares of their digits is repeatedly calculated… Read More
2024-05-13 06:00
React is an amazing tool for building dynamic and interactive user interfaces. But as your applications grow, ensuring smooth performance becomes crucial for a positive user experience. This… Read More
2024-05-08 12:41
Java utilizes binary representation to store numbers in memory. Gaining insight into how integers are depicted at the bit level can significantly aid in performing specific operations. Let u… Read More
2024-05-08 10:20
Blowfish, conceived by Bruce Schneier in 1993 is a symmetric-key block cipher, devised to overcome the constraints of prior encryption methodologies such as DES. It presented a faster, royal… Read More
2024-05-07 08:40
When it concerns data analysis in Java, computing percentiles stands as a foundational task for grasping the statistical distribution and features of a numerical dataset. Let us understand h… Read More
2024-05-07 08:35
When working with names in Java, a common task is to shorten the name to initials from a given full name. Initials are typically the first letter of each part of a name, such as the first na… Read More
2024-05-07 08:22
XML, the Extensible Markup Language, is a fundamental building block for data exchange and configuration files. But like any language, it has its own rules about what characters are allowed… Read More
2024-05-06 16:00
For decades, project managers have been locked in a battle royale between two titans: Agile and Waterfall. Agile, the nimble champion, prides itself on flexibility and rapid adaptation. Wate… Read More
2024-05-06 10:14
1. Introduction Open API is a specification for designing and documenting RESTful APIs. OpenAPI generator is a tool used in API-first development as it can generate client and server source… Read More
2024-05-06 09:10
Looping through a List is a frequent task in Java, yet appending elements to it during iteration demands careful attention to prevent exceptions and maintain code accuracy. Let us delve into… Read More
2024-05-03 15:51
1. Introduction When Java applications deal with data interchange between different systems, it’s common to convert Excel to JSON. Apache POI (Poor Obfuscation Implementation) is an op… Read More
2024-05-03 10:11
1. Introduction Spring Security AuthorizationManager is part of Spring Security that is an extension of the Spring Framework that supports common application security. It includes mandatory… Read More
2024-05-03 09:03
FlatBuffers in Java facilitates high-speed data serialization/deserialization, eliminating parsing overhead. Developed by Google, it offers a schema-less, memory-efficient solution for cross… Read More
2024-05-02 05:00
Just like a suit of armor needing regular maintenance, your computer’s defenses require consistent attention. Tiny vulnerabilities, like chinks in the armor, can expose your valuable d… Read More

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