Multiset (JMH Core 1.35 API)

Type Parameters:

T - element type

All Known Implementing Classes:

DelegatingMultiset, HashMultiset, TreeMultiset
```
public interface Multiset<T>
```
Basic Multiset. (Transitional interface)

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`add(T element)`	Add the element to the multiset
`void`	`add(T element, long count)`	Add the element to the multiset
`long`	`count(T element)`	Count the elements in multiset
`Collection<Map.Entry<T,Long>>`	`entrySet()`	Get all associations of the multiset.
`boolean`	`isEmpty()`	Answers if Multiset is empty
`Collection<T>`	`keys()`	Answers the collection of keys
`long`	`size()`	Answers the size of multiset.

- Method Detail
  - add
```
void add(T element)
```
    Add the element to the multiset
    
    Parameters:
    
    element - element to add
  - add
```
void add(T element,
         long count)
```
    Add the element to the multiset
    
    Parameters:
    
    element - element to add
    
    count - number of elements to add
  - count
```
long count(T element)
```
    Count the elements in multiset
    
    Parameters:
    
    element - element
    
    Returns:
    
    number of matching elements in the set; zero, if no elements
  - entrySet
```
Collection<Map.Entry<T,Long>> entrySet()
```
    Get all associations of the multiset. Each entry provides a key and a count of that element.
    
    Returns:
    
    entry set of the multiset
  - isEmpty
```
boolean isEmpty()
```
    Answers if Multiset is empty
    
    Returns:
    
    true, if set is empty
  - size
```
long size()
```
    Answers the size of multiset. Equivalent to number of elements, counting duplications.
    
    Returns:
    
    number of elements
  - keys
```
Collection<T> keys()
```
    Answers the collection of keys
    
    Returns:
    
    the collections of keys