| java.lang.Object
 org.apache.tapestry.ioc.util.Stack
| Constructor Summary | |
| public | Stack()
Normal constructor supporting an initial size of 20. | | public | Stack(int initialSize)
Parameters:
initialSize - the initial size of the internal array (which will be expanded as necessary). |
| Method Summary | |
| public boolean | isEmpty()
Returns true if the stack is empty. | | public E | peek()
Returns the top element of the stack without affecting the stack. | | public E | pop()
Pops the top element off the stack and returns it. | | public void | push(E item)
Pushes a new item onto the stack. | | public String | toString()
Describes the stack, listing the element in order of depth (top element first). |
| Stack | | public Stack()(Code) | | Normal constructor supporting an initial size of 20.
|
| Stack | | public Stack(int initialSize)(Code) | |
Parameters:
initialSize - the initial size of the internal array (which will be expanded as necessary). Forbest efficiency, set this to the maximum depth of the stack. |
| isEmpty | | public boolean isEmpty()(Code) | | Returns true if the stack is empty.
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| peek | | public E peek()(Code) | | Returns the top element of the stack without affecting the stack.
top element on the stack
throws:
IllegalStateException - if the stack is empty |
| pop | | public E pop()(Code) | | Pops the top element off the stack and returns it.
the top element of the stack
throws:
IllegalStateException - if the stack is empty |
| push | | public void push(E item)(Code) | | Pushes a new item onto the stack.
|
| toString | | public String toString()(Code) | | Describes the stack, listing the element in order of depth (top element first).
string description of the stack |
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