Properties entrySet() method in Java with Examples

The entrySet() method of Properties class is used to get the Set view of this Properties mappings.

Syntax:

public Set<Map.Entry> entrySet()

Parameters: This method do not accepts any parameters.



Returns: This method returns a Set view of the mappings of this Properties object.

Below programs illustrate the entrySet() method:

Program 1:

filter_none

edit
close

play_arrow

link
brightness_4
code

// Java program to demonstrate
// entrySet() method.
  
import java.util.*;
  
public class GFG {
  
    // Main method
    public static void main(String[] args)
    {
  
        // Create a properties and add some values
        Properties properties = new Properties();
        properties.put("Pen", 10);
        properties.put("Book", 500);
        properties.put("Clothes", 400);
        properties.put("Mobile", 5000);
  
        // Print Properties details
        System.out.println("Current Properties: "
                           + properties.toString());
  
        // Using entrySet() to get the set view
        System.out.println("The set is: "
                           + properties.entrySet());
    }
}

chevron_right


Output:

Current Properties: {Book=500, Mobile=5000, Pen=10, Clothes=400}
The set is: [Book=500, Mobile=5000, Pen=10, Clothes=400]

Program 2:

filter_none

edit
close

play_arrow

link
brightness_4
code

// Java program to demonstrate
// entrySet() method.
  
import java.util.*;
  
public class GFG {
  
    // Main method
    public static void main(String[] args)
    {
  
        // Create a properties and add some values
        Properties properties = new Properties();
  
        properties.put(1, "100RS");
        properties.put(2, "500RS");
        properties.put(3, "1000RS");
  
        // print Properties details
        System.out.println("Current Properties: "
                           + properties.toString());
  
        // Using entrySet() to get the set view
        System.out.println("The set is: "
                           + properties.entrySet());
    }
}

chevron_right


Output:

Current Properties: {3=1000RS, 2=500RS, 1=100RS}
The set is: [3=1000RS, 2=500RS, 1=100RS]

References: https://docs.oracle.com/javase/9/docs/api/java/util/Properties.html#entrySet–



My Personal Notes arrow_drop_up

Check out this Author's contributed articles.

If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. See your article appearing on the GeeksforGeeks main page and help other Geeks.

Please Improve this article if you find anything incorrect by clicking on the "Improve Article" button below.



Improved By : nidhi_biet