Java TreeSet.contains(Object o)
Syntax
TreeSet.contains(Object o) has the following syntax.
public boolean contains(Object o)
Example
In the following code shows how to use TreeSet.contains(Object o) method.
// ww w . ja v a 2 s . c o m
import java.util.Iterator;
import java.util.TreeSet;
public class Main {
public static void main(String[] args) {
TreeSet <Integer> treeadd = new TreeSet<Integer> ();
treeadd.add(12);
treeadd.add(13);
treeadd.add(14);
treeadd.add(15);
// check existence of 15
System.out.println("Checking existence of 15 ");
System.out.println("Is 15 there in the set: "+treeadd.contains(15));
}
}
The code above generates the following result.
Home »
Java Tutorial »
java.util »
Java Tutorial »
java.util »