TreeMap values() Method in Java with Examples Last Updated : 18 Nov, 2021 Summarize Comments Improve Suggest changes Share Like Article Like Report In Java, the values() method of the TreeMap class is present inside java.util package which is used to create a collection out of the values of the map. It basically returns a Collection view of the values in the TreeMap. --> java.util package --> TreeMap class --> values() Method Syntax: Tree_Map.values() Return Type: A collection view containing all the values of the map. Now we will be proposing different sets to illustrate values() method as listed: Mapping string values to integer keysMapping integer values to string keys Example 1: Mapping String Values to Integer Keys Java // Java Program to illustrate values() Method // of TreeMap class // Importing required classes import java.util.*; // Main class public class GFG { // Main driver method public static void main(String[] args) { // Creating an empty TreeMap by // declaring object of integer, string pairs TreeMap<Integer, String> tree_map = new TreeMap<Integer, String>(); // Mapping string values to int keys // using put() method tree_map.put(10, "Geeks"); tree_map.put(15, "4"); tree_map.put(20, "Geeks"); tree_map.put(25, "Welcomes"); tree_map.put(30, "You"); // Printing the elements of TreeMap System.out.println("Initial Mappings are: " + tree_map); // Getting the set view of values // using values() method System.out.println("The collection is: " + tree_map.values()); } } Output: Initial Mappings are: {10=Geeks, 15=4, 20=Geeks, 25=Welcomes, 30=You} The collection is: [Geeks, 4, Geeks, Welcomes, You] Example 2: Mapping Integer Values to String Keys. Java // Java Program to Illustrate values() method // of TreeMap class // Importing required classes import java.util.*; // Main class public class GFG { // Main driver method public static void main(String[] args) { // Creating an empty TreeMap by // declaring object of string, integer pairs TreeMap<String, Integer> tree_map = new TreeMap<String, Integer>(); // Mapping int values to string keys // using put() method tree_map.put("Geeks", 10); tree_map.put("4", 15); tree_map.put("Geeks", 20); tree_map.put("Welcomes", 25); tree_map.put("You", 30); // Printing the elements of TreeMap System.out.println("Initial Mappings are: " + tree_map); // Getting the set view of values // using values() method System.out.println("The collection is: " + tree_map.values()); } } Output: Initial Mappings are: {4=15, Geeks=20, Welcomes=25, You=30} The collection is: [15, 20, 25, 30] Note: The same operation can be performed with any type of Mappings with variation and combination of different data types. Comment More infoAdvertise with us Next Article Java TreeMap clear() Method C chinmoy lenka Follow Improve Article Tags : Misc Java Java-Collections java-TreeMap Practice Tags : JavaJava-CollectionsMisc Similar Reads TreeMap in Java TreeMap is a part of the Java Collection Framework. It implements the Map and NavigableMap interface and extends the AbstractMap class. It stores key-value pairs in a sorted order based on the natural ordering of keys or a custom Comparator. It uses a Red-Black Tree for efficient operations (add, re 11 min read Java TreeMap clear() Method The clear() method is a built-in method of the TreeMap class in Java of the java.util package. This method is used to remove all key-value mappings from the TreeMap. And after invoking this method, the map becomes completely empty.This method is very useful when we want to reset the map or discard a 2 min read TreeMap clone() Method in Java with Examples In Java, clone() method of the TreeMap class is used to return a shallow copy of the mentioned treemap. It just creates a copy of the map. --> java.util Package --> TreeMap Class --> clone() Method Syntax: Tree_Map.clone() Parameters: The method does not take any parameters. Return Type: A 2 min read Java TreeMap containsKey() Method The containsKey() method in Java is used to check if a given key exists in a TreeMap. If the key is present in the map, it returns true, otherwise, it returns false. This method is very helpful when we need to verify whether a mapping exists before performing any operation on it.Syntax of TreeMap co 3 min read TreeMap containsValue() Method in Java With Examples In Java, containsValue() method of the TreeMap class is used to check whether a particular value is being mapped by any key in the TreeMap. It takes the value as a parameter and returns True if that value is mapped by any of the keys in the map. --> java.util Package --> TreeMap class --> c 3 min read TreeMap entrySet() Method in Java The java.util.TreeMap.entrySet() method in Java is used to create a set out of the same elements contained in the treemap. It basically returns a set view of the treemap or we can create a new set and store the map elements into them. 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The mentioned parameter is excluded from the newly prepared treemap. Since the set is backed by the map, so any changes to the map are refle 3 min read TreeMap keySet() Method in Java with Examples In Java, keySet() method of TreeMap class is present inside java.util package in Java is used to create a set out of the key elements contained in the treemap. It basically returns a set view of the keys or we can create a new set and store the key elements in them in ascending order. Since the set 3 min read Like