The release of Java SE 15 in Sept 2020 will introduce "sealed classes" (JEP 360) as a preview feature. A sealed class is a class or interface which restricts which other classes or interfaces may extend it. Sealed classes, like enums, capture alternative... (more…)

Previous message (by thread): Integrated: 8242924: Selection is not correct in Paint.TextureAnim... (more…)

Java has been criticized about its heavy syntax for years compare to other modern programming languages. But things changed since the new… (more…)

HashMap is one of the most frequently used collection types in Java, it stores key-value pairs. Ideally it expects to use hash table which expects the data access time complexity to be O(1), however, due to hash conflicts, in reality, it uses linked list ... (more…)

Here, we will discuss the Singleton Pattern, which is part of the Creational Design Pattern. It ensures that only one instance of the class resides in the...