Get Size of Java TreeSet : TreeSet « Collections Data Structure « Java

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Java » Collections Data Structure » TreeSet

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Get Size of Java TreeSet

   



import java.util.TreeSet;



public class Main {

  public static void main(String[] args) {

    TreeSet<Integer> tSet = new TreeSet<Integer>();

    System.out.println("Size of TreeSet : " + tSet.size());



    tSet.add(new Integer("1"));

    tSet.add(new Integer("2"));

    tSet.add(new Integer("3"));



    System.out.println(tSet.size());



    // remove one element from TreeSet using remove method



    tSet.remove(new Integer("1"));

    System.out.println("Size of TreeSet after removal : " + tSet.size());

  }

}

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15.	Creating a Sorted Set
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