Properties entrySet() method in Java with Examples
Last Updated :
23 May, 2019
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:
import java.util.*;
public class GFG {
public static void main(String[] args)
{
Properties properties = new Properties();
properties.put( "Pen" , 10 );
properties.put( "Book" , 500 );
properties.put( "Clothes" , 400 );
properties.put( "Mobile" , 5000 );
System.out.println( "Current Properties: "
+ properties.toString());
System.out.println( "The set is: "
+ properties.entrySet());
}
}
|
Output:
Current Properties: {Book=500, Mobile=5000, Pen=10, Clothes=400}
The set is: [Book=500, Mobile=5000, Pen=10, Clothes=400]
Program 2:
import java.util.*;
public class GFG {
public static void main(String[] args)
{
Properties properties = new Properties();
properties.put( 1 , "100RS" );
properties.put( 2 , "500RS" );
properties.put( 3 , "1000RS" );
System.out.println( "Current Properties: "
+ properties.toString());
System.out.println( "The set is: "
+ properties.entrySet());
}
}
|
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–
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