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This interface defines methods that must be implemented by a list that allows adding messages at the end or beginning of the list.
Field Summary | |
static String |
ITF_NAME
The commonly used name to refer to this interface. |
Method Summary | |
void |
addFirst(Object o)
Inserts the given element at the beginning of this list. |
void |
addLast(Object o)
Appends the given element to the end of this list. |
Field Detail |
public static final String ITF_NAME
Method Detail |
public void addFirst(Object o)
o
- the element to be inserted at the beginning of this list.public void addLast(Object o)
o
- the element to be inserted at the end of this list.
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