The Java.util.TreeSet.remove(Object O) method is to remove a particular element from a Tree set.
Syntax:
TreeSet.remove(Object O)
Parameters: The parameter O is of the type of Tree set and specifies the element to be removed from the set.
Return Value: This method returns True if the element specified in the parameter is initially present in the Set and is successfully removed otherwise it returns False.
Below program illustrate the Java.util.TreeSet.remove() method:
// Java code to illustrate remove() import java.util.*;
import java.util.TreeSet;
public class TreeSetDemo {
public static void main(String args[])
{
// Creating an empty TreeSet
TreeSet<String> tree = new TreeSet<String>();
// Use add() method to add elements into the Set
tree.add( "Welcome" );
tree.add( "To" );
tree.add( "Geeks" );
tree.add( "4" );
tree.add( "Geeks" );
tree.add( "TreeSet" );
// Displaying the TreeSet
System.out.println( "TreeSet: " + tree);
// Removing elements using remove() method
tree.remove( "Geeks" );
tree.remove( "4" );
tree.remove( "TreeSet" );
// Displaying the TreeSet after removal
System.out.println( "New TreeSet: " + tree);
}
} |
Output:
TreeSet: [4, Geeks, To, TreeSet, Welcome] New TreeSet: [To, Welcome]