A method or class that is parameterized by a type

The hiding of data (usually by making it private) within an object keeping it safe/inaccessible from outside code

A way to group Java classes so that names can be exclusively shared

The concept that a class should be extended instead of modified

A kind of exception that is not required to be caught or thrown

A Java annotation indicating that a variable may not be reassigned, a method may not be overridden, or a class may not be extended

Defining a method in a class that inherits a method with the same signature

A class (corresponding to a primitive type) that can be used for parameterizing a generic class

Within a class, the reuse of a method name for a method with a different signature

The ability to use an object when an instance of a different specific class is expected