public class WrapperMap<K,V> extends Object implements Map<K,V>
Collections
,
List
Constructor and Description |
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WrapperMap()
Constructor.
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WrapperMap(Map<K,V> delegate)
Constructor.
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Modifier and Type | Method and Description |
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void |
clear()
Removes all mappings from this Map.
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boolean |
containsKey(Object key)
Returns true if this map contains a mapping for the specified key.
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boolean |
containsValue(Object value)
Returns true if this map maps one or more keys to the specified value.
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Set<Map.Entry<K,V>> |
entrySet()
Returns a set view of the mappings contained in this map.
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boolean |
equals(Object o)
Compares the specified object with this map for equality.
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V |
get(Object key)
Returns the value to which this map maps the specified key.
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protected Map<K,V> |
getDelegate()
Returns the delegate list.
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int |
hashCode()
Returns the hash code value for this map.
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boolean |
isEmpty()
Returns true if this map contains no key-value mappings.
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Set<K> |
keySet()
Returns a set view of the keys contained in this map.
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V |
put(K key,
V value)
Associates the specified value with the specified key in this map
(optional operation).
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void |
putAll(Map<? extends K,? extends V> t)
Copies all of the mappings from the specified map to this map (optional
operation).
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V |
remove(Object key)
Removes the mapping for this key from this map if it is present (optional
operation).
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int |
size()
Returns the number of key-value mappings in this map.
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Collection<V> |
values()
Returns a collection view of the values contained in this map.
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public void clear()
public boolean containsKey(Object key)
containsKey
in interface Map<K,V>
key
- The key to look up.public boolean containsValue(Object value)
containsValue
in interface Map<K,V>
value
- The value to look uppublic Set<Map.Entry<K,V>> entrySet()
public boolean equals(Object o)
public int hashCode()
public boolean isEmpty()
public V put(K key, V value)
put
in interface Map<K,V>
key
- Key with which the specified value is to be associated.value
- Value to be associated with the specified key.public void putAll(Map<? extends K,? extends V> t)
public V remove(Object key)
public int size()
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