Package org.dmfs.jems2.stack

Class EmptyStack<Element>

java.lang.Object

org.dmfs.jems2.stack.EmptyStack<Element>

All Implemented Interfaces:

Stack<Element>

public final class EmptyStack<Element>
extends Object
implements Stack<Element>

A Stack without any elements.

Nested Class Summary

Nested classes/interfaces inherited from interface org.dmfs.jems2.Stack

Stack.StackTop<Element>

Constructor Summary

Constructors

Constructor	Description
EmptyStack()

Method Summary

Modifier and Type	Method	Description
Optional<Stack.StackTop<Element>>	top()	Retrieves the top of this Stack.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

EmptyStack

public EmptyStack()

Method Details

top

public Optional<Stack.StackTop<Element>> top()

Description copied from interface: Stack

Retrieves the top of this Stack. If the stack is empty the Stack.StackTop will be absent.

Specified by:

top in interface Stack<Element>