Java Set.isEmpty()
Syntax
Set.isEmpty() has the following syntax.
boolean isEmpty()
Example
In the following code shows how to use Set.isEmpty() method.
/* w w w . j a va 2 s . c o m*/
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;
public class Main {
public static void main(String[] a) {
String elements[] = { "A", "B", "C", "D", "E" };
Set<String> set = new HashSet<String>(Arrays.asList(elements));
System.out.println(set.isEmpty());
}
}
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