## org.jfree.util
Class FastStack

    java.lang.Object
      org.jfree.util.FastStack

All Implemented Interfaces:
  java.io.Serializable, java.lang.Cloneable

    public final class FastStack

extends java.lang.Object
implements java.io.Serializable, java.lang.Cloneable

A very simple unsynchronized stack. This one is faster than the java.util-Version.

Author:
  Thomas Morgner
See Also:
  Serialized Form

Constructor Summary
`FastStack()` Creates a new empty stack.
`FastStack(int size)` Creates a new empty stack with the specified initial storage size.

Method Summary
`void` `clear()` Clears the stack.
`java.lang.Object` `clone()` Returns a clone of the stack.
`java.lang.Object` `get(int index)` Returns the item at the specified slot in the stack.
`boolean` `isEmpty()` Returns `true` if the stack is empty, and `false` otherwise.
`java.lang.Object` `peek()` Returns the object at the top of the stack without removing it.
`java.lang.Object` `pop()` Removes and returns the object from the top of the stack.
`void` `push(java.lang.Object o)` Pushes an object onto the stack.
`int` `size()` Returns the number of elements in the stack.

Methods inherited from class java.lang.Object
`equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### FastStack

    public FastStack()

  Creates a new empty stack.

### FastStack

    public FastStack(int size)

  Creates a new empty stack with the specified initial storage size.

  Parameters:
    `size` - the initial storage elements.

Method Detail

### isEmpty

    public boolean isEmpty()

  Returns `true` if the stack is empty, and `false` otherwise.

  Returns:
    A boolean.

### size

    public int size()

  Returns the number of elements in the stack.

  Returns:
    The element count.

### push

    public void push(java.lang.Object o)

  Pushes an object onto the stack.

  Parameters:
    `o` - the object.

### peek

    public java.lang.Object peek()

  Returns the object at the top of the stack without removing it.

  Returns:
    The object at the top of the stack.

### pop

    public java.lang.Object pop()

  Removes and returns the object from the top of the stack.

  Returns:
    The object.

### clone

    public java.lang.Object clone()

  Returns a clone of the stack.

  Overrides:
    `clone` in class `java.lang.Object`
  Returns:
    A clone.

### clear

    public void clear()

  Clears the stack.

### get

    public java.lang.Object get(int index)

  Returns the item at the specified slot in the stack.

  Parameters:
    `index` - the index.
  Returns:
    The item.