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Description / Meta Description Learn the Adapter Design Pattern in Java with practical examples. Understand how Adapter helps integrate legacy systems, third-party APIs, and incompatible interfaces without modifying existing code.…
Description / Meta Description Learn the Prototype Design Pattern in Java with practical examples. Understand when cloning objects is better than creating new ones, shallow vs deep copy, performance benefits,…
Description / Meta Description Learn the Builder Design Pattern in Java with practical examples. Understand the problems of telescoping constructors, optional parameters, immutable objects, and how the Builder pattern simplifies…
Learn Big O notation and algorithmic complexity in Java with practical examples. Understand O(1), O(n), O(log n), O(n²) using simple loops, HashMap, ArrayList operations, searching algorithms, and real programming scenarios.…
What really happens when 10,000 users hit your Spring Boot API simultaneously? Does Spring Boot create 10,000 threads? Does Tomcat queue requests? And can Java Virtual Threads genuinely change backend…
Common Design Patterns The Java API and applications are built using many common design patterns and conventions. Some of them represent original GoF patterns. Singleton Factory Builder Adapter Facade Proxy…
The three principals of OOP are as follows: Encapsulation is the simplest of all. It means that data of the object and operations on the data are packaged together in…
Introduction Java 1.1 introduced inner classes. Java 2 introduced Swing and Collections. Java 5 introduced Generics. Java 8 - introduced March 2014 Lambda expressions : A concise way to represent…
