Java Hashmap values() Method
Java Methods
Methods are used to preform a specific task. Methods are reusable in nature. Instead of writing the code again you can use method to perform that specific task. In Java there are two types of methods, ‘user defined’ and ‘built-in’ methods. User-defined methods are declared by the programmer according to their needs while built-in methods are pre defined methods which make programming easy. The Hashmap class in java also have some inbuilt methods. One of those methods is the Java Hashmap values() Method.
To know more about Hashmap values() Method read the complete article
Java Hashmap values() Method
The hashmap values() method is used to check the values mapped in the hashmap . This method returns the values which are mapped to the key in the hashmap. Below in this page you can find it’s syntax, return values, parameters with detailed examples.
Syntax :
hashmap.values();
Return values :
Collection view of values mapped to the keys in the hashmap.
Hashmap replace() Method Examples
Example :
import java.util.*;
public class Main
{
public static void main (String[]args)
{
// Creating an empty HashMap
HashMap < Integer, String > hash_map_1 =
new HashMap < Integer, String > ();
// Mapping string values to int keys in a empty hashmap
hash_map_1.put (10, "Java");
hash_map_1.put (20, "Hashmap");
hash_map_1.put (25, "Values");
hash_map_1.put (30, "Method");
//printig the values mapped in hashmap
System.out.println ("values mapped in the hashmap : " +
hash_map_1.values ());
}
}
Output :
values mapped in the hashmap : [Hashmap, Values, Java, Method]
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