In Java, it is considered best practice to camel case when choosing class names with the first word capitalized. Camel case simply means that you remove all spaces and use capitalization for each ...

javac *.java When you compile an enclosing class that contains a static member class, the compiler creates a class file for the static member class whose name consists of its enclosing class’s ...

java.lang: A collection of language-related classes, such as Object and String, organized in the java package’s lang subpackage; java.lang.ref: A collection of reference-related language classes ...

According to the Java Enhancement Proposal 445: …these changes allow us to write Hello, World! with no access modifiers, no static modifiers, and no String[] parameter, so the introduction of these ...