Write a java program to demonstrate the use of iterator with the Tree Set collection. code example
Example 1: java treeset
import java.util.*;
// Declare the variable using the interface of the object for flexibility.
// Non-primative data types only.
Set<String> movies = new TreeSet<String>();
movies.add(E);
// TreeSet will be sorted by element.
// Work with any comparable object.
movies.add("The Shining");
movies.add("Dawn of the Dead");
movies.add("Zombieland");
Example 2: treeset in java
- TreeSet sorts the order and don't accept null