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Tag Archives: java-IdentityHashMap

The IdentityHashMap implements Map interface using Hashtable, using reference-equality in place of object-equality when comparing keys (and values). This class is not a general-purpose Map… Read More
HashMap in java is a class that is a part of the java collection. It implements the Map interface of java. It stores the data… Read More
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.IdentityHashMap.putAll() is an inbuilt method of IdentityHashMap class that is used for the copy operation. The method copies all of the elements i.e., the… Read More
The java.util.IdentityHashMap.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.IdentityHashMap.hashCode() method in Java is used to fetch the hash code value of a particular this IdentityHashMap. A map consists of a number of… Read More
The java.util.IdentityHashMap.remove() is an inbuilt method of IdentityHashMap class and is used to remove the mapping of any particular key from the map. It basically… Read More
The java.util.IdentityHashMap.values() method of IdentityHashMap 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.IdentityHashMap.size() method of IdentityHashMap class is used to get the size of the IdentityHashMap which refers to the number of the key-value pair or… Read More
The java.util.IdentityHashMap.equals() method in Java is used to check for equality between two maps. It verifies whether the elements of one map passed as a… Read More
The java.util.IdentityHashMap.put() method of IdentityHashMap 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.IdentityHashMap.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.IdentityHashMap.get() method of IdentityHashMap 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.IdentityHashMap.isEmpty() method of IdentityHashMap class is used to check for the emptiness of the map. The method returns True if no key-value pair or… Read More
The java.util.IdentityHashMap.clear() method in Java is used to clear and remove all of the elements or mappings from a specified map. Syntax: Identity_HashMap.clear() Parameters: The… Read More