Java EnumMap entrySet() method

Last Updated : 17 Mar 2025

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);
   }
}

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);
   }    
}  

Output:

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

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Java EnumMap entrySet() method

Syntax

Parameters

Returns

Exception

Example 1

Example 2

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Java EnumMap entrySet() method

Syntax

Parameters

Returns

Exception

Example 1

Example 2

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