org.panda_lang.utilities.commons.collection

Interface IStack<T>

All Known Implementing Classes:

FixedStack

public interface IStack<T>

Method Summary

Modifier and Type	Method and Description
void	clear() Clear the stack
default boolean	isEmpty() Tests if stack is empty
T	peek() Check element on top of the stack
T	pop() Removes the object at the top of this stack and returns that object as the value
void	push(T element) Pushes an item onto the top of this stack
int	size() Returns the number of items in this stack
T[]	toArray(Class<T[]> type) Converts stack into the array, ordered by the push order (the latest items are the first in array)

Method Detail

push

void push(T element)

Pushes an item onto the top of this stack

Parameters:

element - the item to be pushed onto this stack

peek

T peek()

Check element on top of the stack

Returns:

the value on top

pop

T pop()

Removes the object at the top of this stack and returns that object as the value

Returns:

the object at the top of this stack

clear

void clear()

Clear the stack

size

int size()

Returns the number of items in this stack

Returns:

the number of items

isEmpty

default boolean isEmpty()

Tests if stack is empty

Returns:

true if and only if this stack contains no items

toArray

T[] toArray(Class<T[]> type)

Converts stack into the array, ordered by the push order (the latest items are the first in array)

Returns:

the array of items from stack