Java Set.size()
Syntax
Set.size() has the following syntax.
int size()
Example
In the following code shows how to use Set.size() method.
//from w w w .j a v a2 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.size());
}
}
Home »
Java Tutorial »
java.util »
Java Tutorial »
java.util »