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java.lang.Objectorg.apache.mina.util.Stack
A unbounded stack.
Constructor Summary | |
Stack()
Construct a new, empty stack. |
Method Summary | |
void |
clear()
Clears this stack. |
java.lang.Object |
first()
Returns the first element of the stack. |
boolean |
isEmpty()
Returns true if the stack is empty. |
java.lang.Object |
last()
|
java.lang.Object |
pop()
Pops from this stack. |
void |
push(java.lang.Object obj)
Push into this stack. |
void |
remove(java.lang.Object o)
|
int |
size()
Returns the number of elements in the stack. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public Stack()
Method Detail |
public void clear()
public java.lang.Object pop()
null
, if this stack is empty or the element is
really null
.public void push(java.lang.Object obj)
public void remove(java.lang.Object o)
public java.lang.Object first()
null
, if the stack is empty, or the element is
really null
.public java.lang.Object last()
public boolean isEmpty()
true
if the stack is empty.
public int size()
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