Appendable

This is an object to which char sequences and values can be appended

CharSequence

This is a CharSequence is a readable sequence of char values.

Cloneable

This is a class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.

Comparable

This imposes a total ordering on the objects of each class that implements it.

Iterable

Implementing this interface allows an object to be the target of the “foreach” statement.

Readable

This is a Readable is a source of characters.

Runnable

This is the Runnable interface should be implemented by any class whose instances are intended to be executed by a thread.

Thread.UncaughtExceptionHandler

This is the Interface for handlers invoked when a Thread abruptly terminates due to an uncaught exception.