Class ArrayBasedStack<T>

java.lang.Object

io.opentelemetry.sdk.metrics.internal.state.ArrayBasedStack<T>

public final class ArrayBasedStack<T>
extends Object

Array-based Stack.

This class is internal and is hence not for public use. Its APIs are unstable and can change at any time.

This class is not thread-safe.

Field Summary

Fields

Modifier and Type	Field	Description
private T[]	array
(package private) static final int	DEFAULT_CAPACITY
private int	size

Constructor Summary

Constructors

Constructor	Description
ArrayBasedStack()

Method Summary

Modifier and Type	Method	Description
boolean	isEmpty()
T	pop()	Removes and returns an element from the top of the stack (LIFO).
void	push(T element)	Add element to the top of the stack (LIFO).
private void	resizeArray(int newCapacity)
int	size()

Methods inherited from class Object

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

Field Details

DEFAULT_CAPACITY

static final int DEFAULT_CAPACITY

See Also:

• Constant Field Values

array

private T[] array

size

private int size

Constructor Details

ArrayBasedStack

public ArrayBasedStack()

Method Details

push

public void push(T element)

Add element to the top of the stack (LIFO).

Parameters:

element - The element to add

Throws:

NullPointerException - if element is null

pop

@Nullable
public T pop()

Removes and returns an element from the top of the stack (LIFO).

Returns:

the top most element in the stack (last one added)

isEmpty

public boolean isEmpty()

size

public int size()

resizeArray

private void resizeArray(int newCapacity)