Java: Get a collection view of the values contained in this map

Last update on May 22 2025 13:14:07 (UTC/GMT +8 hours)

12. Get Collection of Values from Map

Write a Java program to get a collection view of the values contained in this map.

Sample Solution:-

Java Code:

import java.util.*;  
public class Example12 {  
     public static void main(String args[]){  
 
  HashMap<Integer,String> hash_map= new HashMap<Integer,String>();  
    hash_map.put(1,"Red");
  hash_map.put(2,"Green");
  hash_map.put(3,"Black");
  hash_map.put(4,"White");
  hash_map.put(5,"Blue");
       
   // checking collection view of the map
   System.out.println("Collection view is: "+ hash_map.values());
 }
}

Sample Output:

Collection view is: [Red, Green, Black, White, Blue]

For more Practice: Solve these Related Problems:

Write a Java program to retrieve the collection of values from a map using values() and then print them.
Write a Java program to convert a map’s values to a list and then use Java streams to calculate the sum if they are numeric.
Write a Java program to filter a map’s values using streams and collect only those that satisfy a given condition.
Write a Java program to iterate over the collection view of a map’s values and count the frequency of a specific value.

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