Java EnumMap entrySet() method

The entrySet() method of Java EnumMap class is used to create a set of elements contained in the EnumMap.This method returns a set view of this EnumMap.

Syntax

Parameters

Returns

This method returns a set view of the mappings contained in this enum map.

Exception

Example 1

import java.util.*;
public class EnumMapEntrySetExample1 {
   public enum Tutorial {
   CSS, Python, PHP, Java, Javascript
   };
   public static void main(String[] args) {
      EnumMap<Tutorial, String>  map =
              new EnumMap<Tutorial, String> (Tutorial.class);

      map.put(Tutorial.CSS, "1");
      map.put(Tutorial.Python, "2");
      map.put(Tutorial.PHP, "3");
      map.put(Tutorial.Java, "4");
     // print the map
      System.out.println("Map: "+map);
      Set<Map.Entry<Tutorial, String> > set = map.entrySet();
      // print the set
      System.out.println("Set: "+set);
   }
}

Test it Now

Output:

Map: {CSS=1, Python=2, PHP=3, Java=4}
Set: [CSS=1, Python=2, PHP=3, Java=4]

Example 2

import java.util.*;  
public class EnumMapEntrySetExample2 {  
   // create an enum  
   public enum Days {  
   Monday, Tuesday, Wednesday, Thursday  
   };  
   public static void main(String[] args) {  
   //create and populate enum map  
   EnumMap<Days, String> map= new EnumMap<Days, String>(Days.class);  

   map.put(Days.Monday,"1");  
   map.put(Days.Tuesday,"2");  
   map.put(Days.Wednesday,"3");  
   map.put(Days.Thursday,"4");  
   // print the map 
    System.out.println("Map: "+map);
    Set<Map.Entry<Days, String> > set = map.entrySet();
    // print the set
    System.out.println("Set: "+set);
   }    
}  

Test it Now

Output:

Map: {Monday=1, Tuesday=2, Wednesday=3, Thursday=4}
Set: [Monday=1, Tuesday=2, Wednesday=3, Thursday=4]

Next TopicJava EnumMap

← prev next →

Help Others, Please Share

Javatpoint Services

JavaTpoint offers too many high quality services. Mail us on [email protected], to get more information about given services.

Website Designing
Website Development
Java Development
PHP Development
WordPress
Graphic Designing
Logo
Digital Marketing
On Page and Off Page SEO
PPC
Content Development
Corporate Training
Classroom and Online Training
Data Entry

Training For College Campus

JavaTpoint offers college campus training on Core Java, Advance Java, .Net, Android, Hadoop, PHP, Web Technology and Python. Please mail your requirement at [email protected].
Duration: 1 week to 2 week

^{Like/Subscribe us for latest updates or newsletter}

Java EnumMap Class