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Tag Archives: Java-WeakHashMap

The IdentityHashMap, WeakHashMap, and EnumMap all are the classes in java collection that implements the Map interface. But there are few differences exists between them.… Read More
The java.util.WeakHashMap.remove() is an inbuilt method of WeakHashMap class and is used to remove the mapping of any particular key from the map. It basically… Read More
The java.util.WeakHashMap.size() method of WeakHashMap class is used to get the size of the map which refers to the number of the key-value pair or… Read More
The java.util.WeakHashMap.values() method of HashMap class in Java is used to create a collection out of the values of the map. It basically returns a… Read More
The java.util.WeakHashMap.put() method of WeakHashMap is used to insert a mapping into a map. This means we can insert a specific key and the value… Read More
The java.util.WeakHashMap.putAll() is an inbuilt method of WeakHashMap class that is used for the copy operation. The method copies all of the elements i.e., the… Read More
The java.util.WeakHashMap.keySet() method in Java is used to create a set out of the key elements contained in the hash map. It basically returns a… Read More
The java.util.WeakHashMap.get() method of WeakHashMap class is used to retrieve or fetch the value mapped by a particular key mentioned in the parameter. It returns… Read More
The java.util.WeakHashMap.entrySet() method in Java is used to create a set out of the same elements contained in the map. It basically returns a set… Read More
The java.util.WeakHashMap.containsValue() method is used to check whether a particular value is being mapped by a single or more than one key in the WeakHashMap.… Read More
The java.util.WeakHashMap.containsKey() method is used to check whether a particular key is being mapped into the WeakHashMap or not. It takes the key element as… Read More
The java.util.WeakHashMap.clear() method in Java is used to clear and remove all of the elements or mappings from a specified map. Syntax: Weak_Hash_Map.clear() Parameters: The… Read More
The java.util.WeakHashMap.isEmpty() method of HashMap class is used to check for the emptiness of the map. The method returns True if no key-value pair or… Read More