Package 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 extends Object,V extends Object>, AbstractMap.SimpleImmutableEntry<K extends Object,V extends Object>

Nested classes/interfaces inherited from interface java.util.Map

Map.Entry<K extends Object,V extends Object>

Field Summary

Fields

Modifier and Type	Field	Description
private static final long	serialVersionUID

Constructor Summary

Constructors

Constructor	Description
FrequencySet()

Method Summary

Modifier and Type	Method	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

Field Details

serialVersionUID

private static final long serialVersionUID

See Also:

• Constant Field Values

Constructor Details

FrequencySet

public FrequencySet()

Method Details

count

public int count(T key)

add

public void add(T key)