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CompoundName isEmpty() method in Java with Examples

  • Last Updated : 27 Mar, 2020

The isEmpty() method of a javax.naming.CompoundName class is used to check this compound name object is empty or not. A compound name is said to be empty if it has zero components.

Syntax:

public boolean isEmpty()

Parameters: This method accepts nothing.

Return value: This method returns true if this compound name is empty, false otherwise.

Below programs illustrate the CompoundName.isEmpty() method:
Program 1:






// Java program to demonstrate
// CompoundName.isEmpty()
  
import java.util.Properties;
import javax.naming.CompoundName;
import javax.naming.InvalidNameException;
  
public class GFG {
    public static void main(String[] args)
        throws InvalidNameException
    {
  
        // need properties for CompoundName
        Properties props = new Properties();
        props.put("jndi.syntax.separator", ":");
        props.put("jndi.syntax.direction",
                  "left_to_right");
  
        // create compound name object
        CompoundName CompoundName1
            = new CompoundName(
                "a:b:z:y:x", props);
  
        // apply isEmpty()
        boolean isEmpty
            = CompoundName1.isEmpty();
  
        // print value
        System.out.println("This Compound "
                           + "object is empty:"
                           + isEmpty);
    }
}
Output:
This Compound object is empty:false

Program 2:




// Java program to demonstrate
// CompoundName.isEmpty() method
  
import java.util.Properties;
import javax.naming.CompoundName;
import javax.naming.InvalidNameException;
  
public class GFG {
    public static void main(String[] args)
        throws InvalidNameException
    {
  
        // need properties for CompoundName
        Properties props = new Properties();
        props.put("jndi.syntax.separator", "/");
        props.put("jndi.syntax.direction",
                  "left_to_right");
  
        // create compound name object
        CompoundName CompoundName1
            = new CompoundName(
                "", props);
  
        // apply isEmpty()
        boolean isEmpty
            = CompoundName1.isEmpty();
  
        // print value
        System.out.println("This Compound "
                           + "object is empty:"
                           + isEmpty);
    }
}
Output:
This Compound object is empty:true

References: https://docs.oracle.com/javase/10/docs/api/javax/naming/CompoundName.html#isEmpty()

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