Learn how to use the four types of nested classes to better organize your Java code.

Most new developers will be able to use “public static void” for the majority of their methods and won’t have to worry. That said, we’ll address two of these phrases in the coming sections.

Do you need to know how to sort Java objects in a collection, array, or map? Here's how to use the Comparable and Comparator interfaces and avoid ClassCastExceptions.

you must use parentheses around numeric primitives when calling an extension method: e.g. (0).inc() Fluent may not be compatible with other javac plugins, although it works with Lombok and Unchecked, ...

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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 ...