What is a Sealed Interface in Java Sealed Interface allows only the permitted classes to implement the interface. Unknown classes are not allowed to implement the interface. The sealed interface specifies the permitted classes using the permits clause. We can specify the interface as sealed using the keyword sealed. Sealed Interface //www.TestingDocs.com public sealed interface […]
What is the difference between Sealed classes and Abstract classes in Java Sealed classes are new in JDK 15.Sealed classes are used to seal the class inheritance hierarchy to certain known child classes. An abstract class is used for an abstract concept or unknown implementations and behavior for the class. Abstract class An abstract class […]
Sealed Class Sealed classes in Java allow inheritance from the known sub classes that are specified by the permits keyword or defined in the same class file. If we mark a class as sealed it should have some sub classes specified using the permits clause or sub classes defined in the file. For example public […]
Differences between JDBC and ODBC Databases store your app’s data, but your program needs a safe, standard way to talk to them. Two popular technologies enable this: JDBC (for Java) and ODBC (language-neutral). Think of them as “interpreters” that translate your program’s requests (like “fetch all users”) into something a database understands. JDBC JDBC (Java […]
Difference between WebLOAD and NeoLoad WebLOAD WebLOAD is a commercial performance and load testing tool developed by RadView.It simulates real-world user traffic on web, mobile, and API-based applications to measure speed, scalability, and stability. Testers can script user flows, run distributed load tests, monitor system performance, and analyze bottlenecks. It’s widely used to ensure applications […]
Differences between Notepad and Notepad++ When working with text files on a Windows computer, two commonly used tools are Notepad and Notepad++. Although both are text editors, they serve different purposes and offer varying levels of features. For beginners, understanding the differences can help in choosing the right tool for specific needs. What is Notepad? […]