Java-AbstractMap Archives

AbstractMap containsKey() Method in Java with Examples

Last Updated: 24 October 2018

The AbstractMap.containsKey() method is used to check whether a particular key is being mapped into the AbstractMap or not. It takes the key element as a parameter and ret...read more

Misc

AbstractMap clear() Method in Java with Examples

Last Updated: 24 October 2018

The AbstractMap.clear() method in Java is used to clear and remove all of the elements or mappings from a specified Map.Syntax:AbstractMap.clear()Parameters: The method do...read more

Java AbstractMap equals() Method

Last Updated: 20 January 2025

The equals() method of the Java AbstractMap class is used to check equality between two maps. It compares the key-value pair in the current map with the key-value pair of ...read more

AbstractMap containsValue() Method in Java with Examples

Last Updated: 24 October 2018

The containsValue() method of the AbstractMap is used to check whether a particular value is being mapped by a single or more than one key in the AbstractMap. It takes the...read more

AbstractMap entrySet() Method in Java with Examples

Last Updated: 26 October 2018

The AbstractMap.entrySet() method in Java is used to create a set out of the same elements contained in the map. It basically returns a set view of the abstract map or we ...read more

AbstractMap get() Method in Java with Examples

Last Updated: 26 October 2018

The AbstractMap.get() method of AbstractMap class is used to retrieve or fetch the value mapped by a particular key mentioned in the parameter. It returns NULL when the ma...read more

Java AbstractMap hashCode() Method

Last Updated: 20 January 2025

The hashCode() method of the AbstractMap class in Java is used to calculate a hash code value for a map. This hash code is based on the key-value mapping contained in the ...read more

AbstractMap isEmpty() Method in Java with Examples

Last Updated: 26 October 2018

The AbstractMap.isEmpty() method of AbstractMap class is used to check for the emptiness of the map. The method returns True if no key-value pair or mapping is present in ...read more

AbstractMap keySet() Method in Java with Examples

Last Updated: 26 October 2018

The AbstractMap.keySet() method in Java is used to create a set out of the key elements contained in the abstract map. It basically returns a set view of the keys or we ca...read more

AbstractMap put() Method in Java with Examples

Last Updated: 16 February 2024

The AbstractMap put() method inserts a mapping into an AbstractMap. This means we can add a specific key and its value, into a particular map.If an existing key is passed,...read more

AbstractMap putAll() Method in Java with Examples

Last Updated: 26 October 2018

The AbstractMap.putAll() is an inbuilt method of AbstractMap class that is used for the copy operation. The method copies all of the elements i.e., the mappings, from one ...read more

AbstractMap remove() Method in Java with Examples

Last Updated: 26 October 2018

The AbstractMap.remove() is an inbuilt method of AbstractMap class and is used to remove the mapping of any particular key from the map. It basically removes the values fo...read more

AbstractMap size() Method in Java with Examples

Last Updated: 26 October 2018

The AbstractMap.size() method of AbstractMap class is used to get the size of the map which refers to the number of the key-value pair or mappings in the Map.Syntax:Abstra...read more

AbstractMap values() Method in Java with Examples

Last Updated: 26 October 2018

The AbstractMap.values() method of AbstractMap class in Java is used to create a collection out of the values of the map. It basically returns a Collection view of the val...read more

Last Updated: 15 October 2020

The AbstractMap class is a part of the Java Collection Framework. It directly implements the Map interface to provide a structure to it, by doing so it makes the further i...read more