Queue
A simple queue abstraction, backed by linked list or priority queue.
queue<Type>
Subtypes | Supertypes | Comparable types |
|---|---|---|
deque<Type> | sequence<Type> | java.util.Deque<Type> |
new linkedlist
new priority_queue
Parameter type | Result type |
|---|---|
Type... sequence<? extends Type> | queue<Type> |
Creates an empty queue. Optionally, initial values may be specified right in the new linked list creation expression.
queue<string> test = new linkedlist<string> {"A", "B", "C"};
Alternatively, a sequence may be specified that is used to copy elements from.
queue<Type> = new linkedlist<Type> (sequence);
Operand type | Parameter type | Result type |
|---|---|---|
sequence<Type> | none | modifying_iterator<Type> |
This operation is redefined for queue to return a modifying_iterator.
Operand type | Parameter type | Result type |
|---|---|---|
queue<Type> | Type | Type |
Appends an element to the tail of the queue.
set.addLast (value);
Operand type | Parameter type | Result type |
|---|---|---|
queue<Type> | Type |
Removes an element from the head of the queue.
set.removeFirst (value);
Operand type | Parameter type | Result type |
|---|---|---|
queue<Type> | Type |
Retrieves the first element at the head of the queue without removing it.
set.first ();
Operand type | Parameter type | Result type |
|---|---|---|
queue<Type> | Type |
Retrieves the first element at the tail of the queue without removing it.
set.first ();
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