This means that Java uses classes ... our Main class but we need to tell Java where to look. That’s why we say “BadGuy.shoot();”. Notice that a lot of the statements in Java use periods ...

Nested classes are classes that are declared as members of other classes ... passing anonymous class-based functionality can lead to verbose syntax. Starting with Java 8, you can use lambdas ...

Learn the differences between these Java language elements and how to use them in your programs. Abstract classes ... the main difference between an interface and an abstract class is that an ...

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 ...

A public method should never be called by another public method within the same class hierarchy. It should only be called by other classes ... Java method modifier issue based on how soon you can ...

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 ...