Nested classes are classes that are declared as members of other classes or scopes. Nesting classes is one way to better organize your code. For example, say you have a non-nested class (also known as ...

Overview JDBC is an important part of the Java API, as most real-world Java applications require a database. Learning Java ...

Java has always been criticized for being too verbose. While that criticism is largely unfounded, language architects and community enthusiasts have always strived to make the language simpler and ...

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 ...