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📌 What is a Design Pattern? A design pattern is a tried and tested solution to a common problem in a specific context. They serve as templates to guide software development, making the process more efficient and standardized. 🛠️ Example: MVC (Model...
📌 What is a Constructor? A constructor in Java is a special method used to initialize objects. When you create a new object, the constructor sets up the initial state of the object. 🛠️ Key Features of Constructors: Same Name as the Class: The cons...
Super Keyword Super in java is a keyword which is a reference variable. It is used to refer to the immediate superclass object or instance variable. The word super came into usage because of the concept of inheritance. The keyword super is placed ins...
🚀 What is a POJO? A POJO is a basic Java object that doesn't follow any special conventions or frameworks. It’s free from the clutches of EJBs, and it doesn’t implement any interfaces or extend any classes outside of the basic Java library. Think of...
1. What is a Constructor? 🤔 Question: Explain what a constructor is in Java. Answer:A constructor is a special method used to initialize objects. It is called when an object of a class is created. Unlike regular methods, constructors have the same n...
