Remove all elements from the ArrayList in Java
Prerequisite: ArrayList in Java Given an ArrayList, the task is to remove all elements of the ArrayList in Java. Examples: Input: ArrayList = [1, 2,… Read More »
Tag Archives: Java-Collections
Find first and last element of ArrayList in java
Prerequisite: ArrayList in Java Given an ArrayList, the task is to get the first and last element of the ArrayList in Java, Examples: Input: ArrayList… Read More »
SortedMap entrySet() method in Java with Examples
The entrySet() method of SortedMap interface in Java is used to create a set out of the same elements contained in the map. It basically… Read More »
SortedMap keySet() method in Java with Examples
The keySet() method of SortedMap Interface in Java is used to create a set out of the key elements contained in the treemap. It basically… Read More »
SortedMap comparator() method in Java with Examples
The comparator() method of java.util.SortedMap interface is used to return the comparator used to order the keys in this map, or null if this map… Read More »
SortedMap values() method in Java with Examples
The values() method of SortedMap interface in Java is used to create a collection out of the values of the map. It basically returns a… Read More »
AbstractSequentialList set() method in Java with Examples
The set() method of Java.util.AbstractSequentialList is used to replace any particular element in the sequential list created using the LinkedList class with another element. This… Read More »
NavigableMap higherKey() Method in Java
The higherKey() method of NavigableMap interface is used to return the least key strictly greater than the given key, or null if there is no… Read More »
HashTable compute() method in Java with Examples
The compute(Key, BiFunction) method of Hashtable class allows to compute a mapping for the specified key and its current mapped value (or null if there… Read More »
AbstractSequentialList get() method in Java with Examples
The get() method of AbstractSequentialList is used to fetch or retrieve an element at a specific index from a AbstractSequentialList. Syntax: AbstractSequentialList.get(int index) Parameters: The… Read More »
HashMap computeIfAbsent() method in Java with Examples
The computeIfAbsent(Key, Function) method of HashMap class is used to compute value for a given key using the given mapping function, if key is not… Read More »
AbstractSequentialList remove() method in Java with Examples
The remove(int index) method of AbstractSequentialList is used to remove an element from an abstract sequential list from a specific position or index. Syntax: AbstractSequentialList.remove(int… Read More »
NavigableMap lowerKey() Method in Java
The lowerKey() method of NavigableMap Interface is used to return the greatest key strictly less than to given key, passed as the parameter. In simpler… Read More »
AbstractSequentialList addAll() Method in Java with Examples
The addAll(int index, Collection C) method of AbstractSequentialList is used to append all of the elements from the collection passed as a parameter to this… Read More »
Flatten a Stream of Map in Java using forEach loop
Given a Stream of Map in Java, the task is to Flatten the Stream using forEach() method. Examples: Input: map = {1=[1, 2], 2=[3, 4,… Read More »
