CompositeName isEmpty() method in Java with Examples
The isEmpty() method of a javax.naming.CompositeName class is used to check this composite name object is empty or not. A composite 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 composite name is empty, false otherwise.
Below programs illustrate the CompositeName.isEmpty() method:
Program 1:
// Java program to demonstrate // CompositeName.isEmpty() import java.util.Properties; import javax.naming.CompositeName; import javax.naming.InvalidNameException; public class GFG { public static void main(String[] args) throws InvalidNameException { // create composite name object CompositeName CompositeName1 = new CompositeName( "a/b/z/y/x" ); // apply isEmpty() boolean isEmpty = CompositeName1.isEmpty(); // print value System.out.println( "This composite " + "object is empty: " + isEmpty); } } |
Output:
This composite object is empty: false
Program 2:
// Java program to demonstrate // CompositeName.isEmpty() method import java.util.Properties; import javax.naming.CompositeName; import javax.naming.InvalidNameException; public class GFG { public static void main(String[] args) throws InvalidNameException { // create composite name object CompositeName CompositeName1 = new CompositeName( "" ); // apply isEmpty() boolean isEmpty = CompositeName1.isEmpty(); // print value System.out.println( "This composite " + "object is empty: " + isEmpty); } } |
Output:
This composite object is empty: true
References: https://docs.oracle.com/javase/10/docs/api/javax/naming/CompositeName.html#isEmpty()