FrequencySet

org.antlr.v4.misc

Class FrequencySet<T>

java.lang.Object
- java.util.AbstractMap<K,V>
- - java.util.HashMap<T,MutableInt>
  - - org.antlr.v4.misc.FrequencySet<T>

All Implemented Interfaces:

Serializable, Cloneable, Map<T,MutableInt>
```
public class FrequencySet<T>
extends HashMap<T,MutableInt>
```
Count how many of each key we have; not thread safe

See Also:

Serialized Form

Nested Class Summary
- Nested classes/interfaces inherited from class java.util.AbstractMap
  AbstractMap.SimpleEntry<K,V>, AbstractMap.SimpleImmutableEntry<K,V>
- Nested classes/interfaces inherited from interface java.util.Map
  Map.Entry<K,V>

Constructor Summary

Constructors

Constructor and Description
`FrequencySet()`

Method Summary

All Methods

Instance Methods

Concrete Methods
Modifier and Type	Method and Description
`void`	`add(T key)`
`int`	`count(T key)`

Methods inherited from class java.util.HashMap
clear, clone, compute, computeIfAbsent, computeIfPresent, containsKey, containsValue, entrySet, forEach, get, getOrDefault, isEmpty, keySet, merge, put, putAll, putIfAbsent, remove, remove, replace, replace, replaceAll, size, values

Methods inherited from class java.util.AbstractMap
equals, hashCode, toString

Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Map
equals, hashCode

Constructor Detail
- FrequencySet
```
public FrequencySet()
```

Method Detail

count
```
public int count(T key)
```

add
```
public void add(T key)
```