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 ...

The Date class, found in the java.util package, encapsulates a long value representing a specific moment in time. One useful constructor is Date(), which creates a Date object representing the time ...

Imagine you are an expert object-oriented Java developer who meticulously crafts code the way an artist cares for their masterpiece. You believe clean code is an absolute necessity. Classes with clear ...

When using a new language or using new features of a language that I have not used before, I like to know what fields and methods are supported by various classes and objects in that language. This ...