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• Palindrome Pairs in an Array of Strings – Java Solution with HashMapJun 05, 2026. Learn how to solve the Palindrome Pairs problem using HashMap and palindrome prefix-suffix checking. Includes intuition, dry run, complexity analysis, and optimized Java code.
• Candy Problem in Java – Greedy O(n) Time and O(1) Space SolutionJun 05, 2026. earn how to solve the Candy problem using an optimal greedy algorithm. Includes intuition, dry run, complexity analysis, and Java solution with O(n) time and O(1) space.
• Expression Contains Redundant Bracket or Not – Java Stack Solution ExplainedJun 05, 2026. Learn how to detect redundant brackets in an expression using a stack. Includes intuition, dry run, complexity analysis, and optimized Java O(n) solution.
• Next Element With Greater Frequency – Java O(n) Stack SolutionJun 05, 2026. Learn how to solve the Next Element With Greater Frequency problem using HashMap and Monotonic Stack. Includes intuition, dry run, complexity analysis, and optimized Java solution.
• Count Subset With Target Sum II – Meet in the Middle Java SolutionJun 05, 2026. Learn how to solve Count Subset With Target Sum II using the Meet in the Middle technique. Includes intuition, dry run, complexity analysis, and optimized Java code.
• What Is Kotlin and Why Is It Better Than Java for Android Development?Apr 06, 2026. Discover Kotlin, Google's preferred language for Android development. Learn why it's better than Java: cleaner code, null safety, faster development, and modern features. Ideal for new Android projects!
• Why Java Continues to Dominate Modern Software DevelopmentMar 23, 2026. Discover why Java remains a dominant force in modern software development. Explore its evolution, ecosystem, enterprise reliability, and future prospects. A must-read for developers!
• How to Detect and Fix Memory Leaks in Java ApplicationsFeb 20, 2026. Master Java memory leak detection & prevention! Learn to identify causes, use profiling tools, and apply fixes for stable, scalable production apps.
• Using WebForms Core in Java (Spring Boot)Jan 01, 2026. Explore WebForms Core v2 with Java (Spring Boot) for server-driven UI. Inject HTML, replace placeholders, and manipulate attributes without JavaScript. Build interactive web apps!
• Evaluating the Performance Impact of JPA Lazy and Eager Loading in Java ApplicationsJan 02, 2026. Understand the performance impact of JPA lazy and eager loading in Java applications. Learn how fetch strategies affect database queries, memory usage, and real-world application performance.
• Optimize MySQL queries in Java applications for better performance?Jan 02, 2026. Learn simple and effective ways to optimize MySQL queries in Java applications. Understand indexing, query design, JDBC best practices, connection pooling, and real-world performance tips.
• Exploring Advanced Features in Java Streams for Cleaner Data ProcessingDec 19, 2025. Explore advanced features of Java Streams for cleaner and more efficient data processing. Learn grouping, collectors, parallel streams, custom collectors, and best practices with simple examples.
• How to Use Java Streams for Filtering and Sorting DataDec 09, 2025. Learn how to use Java Streams for filtering, sorting, and grouping data with simple explanations and practical examples. Perfect for beginners and professionals building Java applications.
• Optimize MySQL Queries in Java for Better PerformanceDec 09, 2025. Learn how to optimize MySQL queries in Java applications using indexing, prepared statements, connection pooling, batch processing, and query tuning techniques. This guide explains everything in simple words with practical examples.
• How Do I Fix NullPointerException in Java Applications?Dec 03, 2025. Tired of NullPointerExceptions crashing your Java code? This guide provides clear explanations, practical examples, and debugging tips to conquer NPEs for good!
• How to Detect Circular Dependency in Java ModulesOct 17, 2025. Discover how to identify and resolve circular dependencies in Java modules, a common issue that can lead to build failures, runtime errors, and maintenance headaches. Learn to detect cycles using IDE tools or a Java-based graph algorithm with DFS. Explore practical solutions like using interfaces, creating common modules, and applying dependency inversion to achieve a cleaner, more maintainable, and scalable Java architecture. Keep your projects healthy by breaking those dependency cycles!
• Document Object and Window Object in Java ScriptSep 23, 2025. Unlock the power of JavaScript with a deep dive into the Window and Document Objects! This article explores how these essential objects enable dynamic and interactive web pages. Learn to control the browser window, manipulate HTML content, and understand the key differences between these fundamental components of client-side JavaScript. Discover practical examples and code snippets to enhance your web development skills and create user-friendly web applications.
• How to Implement JWT Authentication in Java Spring Boot REST APISep 23, 2025. This article provides a step-by-step implementation, covering user model creation, Spring Security configuration, JWT token generation, filter implementation, and testing. Learn how to build stateless and scalable APIs using JWT for enhanced security and efficient user authentication.
• The History Object and Location Object in Java ScriptSep 04, 2025. Explore JavaScript's History and Location objects for enhanced web navigation. The History object enables seamless browsing history management (back, forward, go), while the Location object empowers URL manipulation, redirection, and access to URL components (protocol, host, pathname).
• What are Java Records, and how do they improve data modeling in Java?Aug 08, 2025. This article explores Java Records, a feature introduced in Java 14 and finalized in Java 16—and how they simplify and enhance data modeling. Learn what Records are, how they differ from traditional Java classes, their benefits in immutability, concise syntax, and real-world use cases, with clear examples.
• Integrating Java with QA Automation: Selenium WebDriver TestingMar 28, 2025. Java and Selenium WebDriver offer a robust foundation for QA automation, enabling scalable, maintainable, and efficient testing. Implementing best practices ensures a high-quality software delivery process.
• SQL Tag Library in Java Server PageMar 21, 2025. JSTL SQL tags are used to access databases and are designed for low-volume Web-based applications.? JSTL SQL tags facilitate database interactions in JSP pages, enabling data source setup, query execution, updates, and transactions through tags like <sql:setDataSource>, <sql:query>, <sql:update>, and <sql: transaction>
• Top AI Libraries for Java DevelopersFeb 25, 2025. Java developers can enhance their applications with AI capabilities using libraries like Deeplearning4j for deep learning, Weka for data mining, MOA for data stream analysis, Spark MLlib for scalable machine learning, and Neuroph for neural network development.
• Swap First and Last Rows in a Matrix Using Java with CodeJan 28, 2025. Learn how to interchange the first and last rows of a matrix in Java using simple loops or efficient methods like `System.arraycopy()`, complete with examples, explanations, and practical tips.
• Printing a 2D Array in Java with CodeJan 23, 2025. Explore methods to print a 2D array in Java, including nested loops, Arrays.deepToString(), for-each loops, and Java 8 streams, with detailed explanations and code examples for effective implementation.
• Merging Two Arrays in Java with CodeJan 22, 2025. This article explores merging arrays in Java, covering efficient techniques like `System.arraycopy()`, manual iteration, Java Streams, and ArrayList, with code examples to suit various programming needs.
• Copying All Elements of One Array to Another Array in Java with CodeJan 21, 2025. Learn how to copy arrays in Java using user input, iterative methods, and `System.arraycopy()`. This article demonstrates seamless duplication of entire arrays and subsets with practical examples.
• Sum of Fibonacci Series Up to a Number N in Java with CodeJan 20, 2025. This article explains how to calculate the sum of Fibonacci numbers up to a given number \( N \) in Java, with step-by-step logic, code examples, and practical implementation details.
• Print Fibonacci Series in Java Using Different MethodsJan 17, 2025. This article explores four methods to generate the Fibonacci series in Java: iteration, recursion, dynamic programming (memoization), and Java streams, offering optimized, modern, and functional approaches for various scenarios.
• Checking Two Matrices Are Equal in Java or NotJan 14, 2025. Learn how to compare two matrices in Java by implementing a `Matrix` class to handle creation, input, and comparison. This article covers object-oriented concepts, user input, and array manipulation.
• Printing Different Types of Star Patterns in Java with CodeJan 09, 2025. Star pattern programs in Java demonstrate the use of nested loops and control structures, creating shapes like squares, pyramids, diamonds, and hollow squares with illustrative code examples and outputs.
• Calculate Simple Interest in Java with CodeJan 08, 2025. Learn how to calculate simple interest in Java using user input, exception handling, and validation. This article includes step-by-step explanations, example code, and techniques for handling invalid user inputs effectively.
• Check Input Character is a Vowel or Consonant in Java With codeJan 07, 2025. Learn how to identify vowels and consonants in Java using if-else and switch statements. This article explains character validation and control flow and provides example programs for clarity and practice.
• Check Armstrong Numbers Between Two Integers in Java with CodeJan 06, 2025. Learn to identify Armstrong numbers in a given range using Java. This article explains logic, digit manipulation, and mathematical operations, with an example program to detect and display Armstrong numbers efficiently.
• Checking Leap Year in Java with CodeJan 03, 2025. This article explains how to determine leap years in Java using conditional statements, ternary operators, functions, and Java's built-in `Year` class, with code examples and clear explanations for each method.
• Display Current Date & Time Using Java With CodeJan 01, 2025. Learn how to display and format the current date and time in Java using `LocalDate`, `LocalTime`, `LocalDateTime`, `ZonedDateTime`, and `DateTimeFormatter` from the `java.time` package with practical examples.
• Checking if a Number is Odd or Even in Java with CodeDec 31, 2024. Learn three methods to check odd or even numbers in Java using modulus, bitwise, and ternary operators with clear examples, explanations, and practical insights for beginners.
• How to Generate Random Numbers in Java with Code?Dec 27, 2024. Discover multiple techniques to generate random numbers in Java using `java.util.Random` and `Math.random()`, with detailed explanations, code examples, and practical use cases for simulations, gaming, and cryptography.
• How to Set Up the Java Path on WindowsDec 27, 2024. The topic "How to Set Up the Java Path on Windows" covers the essential steps needed to configure your system so that Java commands can be run from anywhere in the command line.
• Displaying All Prime Numbers from 1 to N Using Java with CodeDec 26, 2024. Explore three methods to display prime numbers in Java: Simple Loop, Square Root Optimization, and Sieve of Eratosthenes, with detailed explanations, code examples, and efficiency comparisons for each approach.
• How to Run a Java Program on Windows?Dec 26, 2024. This guide walks you through the process of writing and running a simple Java program on a Windows computer. It covers the installation of the Java Development Kit (JDK), setting up your environment, writing a basic Java program (a car simulation), and compiling and running the program using Command Prompt.
• Creating a Currency Converter Using Java with Code Dec 19, 2024. This article demonstrates creating a Java-based console currency converter that converts amounts between USD, EUR, and INR using predefined exchange rates. It includes user input, conversion logic, and sample code.
• Take User Input in Java with BufferedReaderDec 12, 2024. Learn how to take user input in Java using BufferedReader and Console classes. This guide includes detailed explanations, code examples, error handling, and practical applications for seamless input handling.
• Take Input in Java using Scanner Class with CodeDec 06, 2024. Learn how to capture user input in Java using the Scanner class. This guide covers importing, creating Scanner objects, reading inputs (strings, integers, doubles), and handling exceptions with examples.
• Top IDEs for Java Development in 2024Dec 02, 2024. An IDE (Integrated Development Environment) is a software tool that helps developers code, test, and debug efficiently. Popular Java IDEs in 2024 include IntelliJ IDEA, Eclipse, NetBeans, and more.
• How to Subtract Matrices in Java with Code Example?Nov 22, 2024. Learn matrix subtraction in Java with a step-by-step guide and code example. This operation, essential in fields like data analysis and computer graphics, subtracts matrices element-wise to produce a new matrix.
• Addition of Two Matrices in Java with CodeNov 20, 2024. Learn how to add two matrices in Java with a simple and clear code example. This article explains matrix addition, implementation steps, and sample output for better understanding.
• CRUD Operation in Java with code exampleNov 15, 2024. This article demonstrates implementing CRUD operations in Java with a console-based Student Management System, allowing users to add, view, update, and delete student records using a simple menu-driven interface.
• User Login page Example in android studio using java Oct 25, 2024. We’ll walk through setting up a simple login screen with input fields for username and password, integrating basic authentication, and handling login actions. Perfect for beginners in Android development.
• Power of Web APIs: 12 Essential APIs for Java DevelopersOct 11, 2024. Staying updated with essential web APIs is vital for developers to build efficient, scalable, and user-friendly applications. This article explores key APIs, including Geolocation, Web Workers, and Web Sockets, with Java examples.
• Pattern Matching for Switch in Java 17Oct 07, 2024. Pattern matching for switches in Java 17 enhances code readability and simplifies working with complex data structures. It allows you to match object types, use type patterns, and add conditions with guarded patterns.
• How C# Generics is different from Java GenericsSep 24, 2024. In this article, we explore the distinctive features of C# generics and how they enhance programming efficiency. We compare generics with non-generic types, focusing on benefits like type safety, code reusability, and performance optimization.
• Socket Class and ServerSocket Class in Java NetworkingSep 16, 2024. TCP/IP sockets are the most reliable, bi-directional, stream protocols. It is possible to send arbitrary amounts of data using TCP/IP. Sockets are used for data communication using this protocol.
• Virtual Threads in Java JDKSep 08, 2024. Java Virtual Threads, introduced in Project Loom, offer a lightweight alternative to traditional platform threads by allowing the JVM to manage threads instead of the OS. This improves scalability and resource efficiency, enabling applications to handle thousands of concurrent tasks with minimal overhead.
• Passing Data to Java User ControlsSep 04, 2024. Learn how to efficiently manage data flow between your application's logic and user interface components, whether you're working with Java Swing, JavaFX, or custom UI controls. Ideal for developers aiming to enhance their Java applications.
• Document Upload in Java with Spring BootSep 02, 2024. This article demonstrates how to implement a dynamic document upload feature in a Spring Boot Java application. It allows users to upload multiple files by dynamically adding or removing input fields. The uploaded files are processed server-side, enhancing flexibility for document management and online forms.
• Implement LDAP Login Authentication API in Java with Spring BootAug 28, 2024. This guide details creating an LDAP authentication API using Java and Spring Boot. It covers dependency setup, LDAP server configuration, and implementing a REST controller for user authentication. The solution includes secure credential handling and best practices for securing the API in production.
• Securing Sessions in Java Web Applications: Preventing Session Fixation and Replay AttacksAug 25, 2024. Securing Sessions in Java Web Applications: Preventing Session Fixation and Replay Attacks
• Building Dynamic and Reusable Modal Popups in Java Web AppAug 23, 2024. Learn to create interactive UI components that enhance user experience through modular, maintainable code. Ideal for developers seeking to improve their Java skills and design more responsive, scalable applications.
• Store Java Errors in Database with Dynamic Error-Based LoggingAug 23, 2024. It covers setting up logging frameworks, capturing runtime errors, and ensuring data persistence for effective error management and tracking. Ideal for improving application reliability and diagnostics.
• Implementing Pagination for Large Datasets in Java Web ApplicationsAug 22, 2024. This guide demonstrates how to implement pagination in a Java web application using JSP and Servlets. It covers setting up a data source, handling pagination logic in a servlet, and displaying data with pagination controls in a JSP page.
• How to Retrieve and Display Database Records in Java Using JTableAug 13, 2024. Learn how to retrieve and display database records in Java using JTable with this step-by-step guide. Explore Java Swing for creating a graphical user interface, JDBC for database connectivity, and SQL queries for fetching data.
• The AbstractList Class and ArrayList Class in Java CollectionJul 29, 2024. The AbstractList class in the Java Collections Framework provides a skeletal implementation of the List interface, enabling developers to create custom list implementations with ease. It offers default implementations for some list operations, allowing focus on specific aspects of the custom list.
• Managing IO Files in Java with FileOutputStream FileInputStreamJul 25, 2024. Learn how to effectively read from and write to files, understand the nuances of file handling, and explore practical examples to streamline your Java programming tasks involving file operations.
• Vector Class and the Stack Class in Java CollectionsJul 19, 2024. The Vector and Stack classes in Java Collections Framework provide essential tools for managing dynamic arrays and last-in, first-out (LIFO) stacks, respectively.
• HashSet Class and TreeSet Class in Java CollectionsJul 19, 2024. Explore the HashSet and TreeSet classes in Java Collections Framework. Learn how HashSet uses hashing for fast access and TreeSet maintains sorted order through a Red-Black tree.
• Understanding MapStruct in Spring Boot for Java Bean MappingJul 09, 2024. Explore MapStruct in Spring Boot for seamless Java Bean mapping. Discover how MapStruct simplifies object mapping between DTOs and entities, leveraging annotations for automated conversion.
• How to Send Email using Spring Boot using Java Mail Sender SMTP?Jul 01, 2024. This article provides a step-by-step guide to sending emails using Spring Boot and JavaMailSender. You'll learn how to set up a Spring Boot project, configure email properties, create an email service and controller, and run the application to send emails. Troubleshooting tips and best practices are also included.
• Top Java Spring Boot Scenario-Based Interview QuestionsJun 24, 2024. Preparing for a Spring Boot interview? Master scenario-based questions covering database migrations with Flyway, REST API exception handling using @ControllerAdvice, Spring Security for authentication, and RestTemplate for consuming RESTful services.
• How to scale Spring Boot applications with NCache Java EditionJan 08, 2024. From this article, you will learn how to scale spring boot applications with NCache Java Edition. Spring Boot for efficient and scalable Java applications. Learn to integrate NCache, a distributed in-memory caching solution, for optimal performance and enhanced scalability.
• Creating a Java Package - Hands-On GuideJan 05, 2024. In my preceding article, we delved into the foundational understanding of Packages and their significance in Java programming. Now, building upon that knowledge, this article aims to provide a practical demonstration of the concepts discussed through a comprehensive case study.
• The Role of Java Standard Tag Library- EL (JSTL-EL) in JSPAug 23, 2023. The JSTL EL or JSTL Expression Language is used by JSP Programmer in order to avoid the usage of Java Code for accessing data.
• The Role Of Datagram In Java NetworkingMar 31, 2023. Datagram is a type of packet that represents an entire communication. There is no necessity to have a connection/disconnection stages when communication using datagrams
• Exploring The Benefits Of Function Currying In Java - Understanding The Concept And AdvantagesMar 09, 2023. In this article, we will delve into the concept of Function Currying in Java and explore the benefits it provides. We will first explain what Function Currying is, how it works, and why it is important in functional programming. Then, we will discuss the advantages of using Function Currying, such as overcoming limitations in the number of function parameters, creating more modular and reusable code, and simplifying function composition.
• Project Loom - A Preview Feature Of Java 19Mar 09, 2023. In this article, you will learn about preview feature of Java 19 i.e about Project Loom.
• The Basics Of Migrationa From Java SE To C#Feb 10, 2023. In this article, you will learn the basics of migration Java SE to c#.
• New Features In Java 19Jan 30, 2023. In this article, you will learn about new features in Java 19.
• Record Classes - A Java 16 New FeatureDec 30, 2022. In this article, you will learn about record classes - a Java 16 new feature.
• AWS Lambda SnapStart For Java FunctionsDec 02, 2022. New feature added to AWS Lambda function to boost up java function speed
• Sealed Classes - A Java 17 New FeatureSep 05, 2022. In this article, you will learn about new feature of Java 17- Sealed Classes.
• Inspecting Features In Java 18Mar 10, 2022. The article explains the feature going to release in Java 18.
• Sealed Classes In Java Feb 28, 2022. The article explains what are sealed classes in Java, Sealed Interfaces, and explains one of the most important preview features of Java 17 “Pattern Matching” and how it works well with Sealed classes.
• Exploring Default Methods In Java 8Dec 23, 2021. Java 8 brought lots of features and one of them is the ‘default’ methods. This article explains what is default method in Java.
• What's New In Java 16?Jul 14, 2021. This article has all new features Java 16 includes and is explained with reference from Oracle docs as well as my understanding with Java in this 4+ years of experience.
• What Is Java Message Service (JMS)Mar 01, 2021. In this article, you will learn about Java Message Service (JMS).
• How To Extract Text And Image From PDF In Java ApplicationsJan 11, 2021. In this article I am going to introduce how to extract textand image from the PDF file in Java applications by Free Spire.PDF for Java.
• TextView in Android with Java Sep 08, 2020. TextView in Android with Java programming language and its types with example programs
• Introduction To Java 8Jul 14, 2020. In this article you will learn about Java 8 features.
• Builder Design Pattern Using a Java SampleJan 24, 2020. In this article, we will learn what the Builder design pattern is and how to implement it.
• Strategy Design Pattern using a Java SampleJan 24, 2020. A strategic design pattern is a behavioral design pattern in which the behavior of the object is encapsulated with a common function name.
• How to use Regex in Java Jan 23, 2020. This article introduces Java Regular Expressions (Regex) and explores their use in Java. Regex helps define and manipulate string patterns, with examples and methods discussed for practical understanding.
• Singleton Design Pattern With Java SampleDec 26, 2019. In this article we will learn about Singleton Design Pattern and how to implement it
• Command Design Pattern Using Java SampleDec 05, 2019. In this article we will understand the command design pattern usage with example.
• Observer Design Pattern Explained With Java SampleNov 21, 2019. The Observer Design Pattern is a Behavioral Pattern used to notify all the objects that are registered/attached/added to the same type of observer.
• Comparision of Java With Other Programming LanguagesOct 04, 2019. Java is the most popular programming language in the world. Learn what is the difference between Java and C++, Java and C#, Java and C and other languages.
• Kotlin-Regex And Java InteroperabilitySep 05, 2019. In this article, you will learn about the concept of Kotlin Regex and Java Interoperability.
• A Complete Java Classes TutorialAug 29, 2019. Java class is a basic concept of object-oriented programming. Java is an object-oriented programming language, so Everything in java is associated with java classes. In this article, we will learn about java classes and use Java classes with example programs.
• A Complete Java Operators TutorialAug 23, 2019. Java Operators are symbols that are used to perform some special operations. In this tutorial, you will learn about Java operators and how we can use operators in Java with code examples.
• How to use LinkedList in Java Aug 18, 2019. Java LinkedList object stores data in a linked list form. This tutorial explains everything about LinkedList in Java and code examples of how to use Java LinkedList methods and properties.
• A Complete Java Loops and Control Statements TutorialAug 18, 2019. Java Loops are used to iterate through multiple values/objects and run a specific code again and again. Java Control Statements are used to control the flow of Java program. This tutorial explains everything about Loops and Control statements in Java and code examples of how to use Java Loops and Control Statements.