Example usage for java.util TreeSet TreeSet

Introduction

In this page you can find the example usage for java.util TreeSet TreeSet.

Prototype

public TreeSet()

Source Link

Document

Constructs a new, empty tree set, sorted according to the natural ordering of its elements.

Usage

From source file:TreeSetDemo.java

public static void main(String args[]) {
    TreeSet<String> ts = new TreeSet<String>();

    ts.add("C");/* ww  w .  ja  va 2  s.  c om*/
    ts.add("A");
    ts.add("B");
    ts.add("E");
    ts.add("F");
    ts.add("D");

    System.out.println(ts);
}

From source file:Main.java

public static void main(String[] args) {
    TreeSet<String> tSet = new TreeSet<String>();
    tSet.add("1");
    tSet.add("2");
    tSet.add("3");
    tSet.add("4");
    tSet.add("5");

    boolean blnExists = tSet.contains("3");
    System.out.println("3 exists in TreeSet ? : " + blnExists);
}

From source file:Main.java

public static void main(String[] args) {
    TreeSet<Integer> tSet = new TreeSet<Integer>();

    tSet.add(new Integer("1"));
    tSet.add(new Integer("2"));
    tSet.add(new Integer("3"));

    System.out.println(tSet);/*from w  ww .  j  a v  a2  s . c o  m*/
    System.out.println("Was 2 removed from TreeSet ? " + tSet.remove(new Integer("2")));
    System.out.println(tSet);
}

From source file:Main.java

public static void main(String[] args) {
    TreeSet<Integer> tSet = new TreeSet<Integer>();
    tSet.add(new Integer("1"));
    tSet.add(new Integer("2"));
    tSet.add(new Integer("3"));

    Object[] objArray = tSet.toArray();
    for (Object obj : objArray) {
        System.out.println(obj);//w  w w .j ava 2 s  . c o m
    }
}

From source file:Main.java

public static void main(String[] args) {
    TreeSet<String> tSet = new TreeSet<String>();

    tSet.add("1");
    tSet.add("2");
    tSet.add("3");
    tSet.add("4");
    tSet.add("5");

    System.out.println("Lowest value Stored in Java TreeSet is : " + tSet.first());
    System.out.println("Highest value Stored in Java TreeSet is : " + tSet.last());
}

From source file:Main.java

public static void main(String[] args) {
    TreeSet<Integer> tSet = new TreeSet<Integer>();

    tSet.add(new Integer("1"));
    tSet.add(new Integer("2"));
    tSet.add(new Integer("3"));

    System.out.println("TreeSet before removal : " + tSet);
    tSet.clear();//  w  w  w . ja v  a 2  s  . co m
    System.out.println("TreeSet after removal : " + tSet);
    System.out.println("Is TreeSet empty ? " + tSet.isEmpty());
}

From source file:Main.java

public static void main(String[] args) {

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

    System.out.println(treeadd.isEmpty());

    treeadd.add(2);/*from  w ww . ja  va2 s . c  om*/

    System.out.println(treeadd.isEmpty());
}

From source file:Main.java

public static void main(String[] args) {

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

    treeadd.add(1);//from   ww w  .j a  v a  2  s.co  m
    treeadd.add(13);
    treeadd.add(17);
    treeadd.add(2);

    System.out.println("Last highest element: " + treeadd.last());
}

From source file:Main.java

public static void main(String[] args) {

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

    treeadd.add(1);/*  www. ja va2s  .  c  o  m*/
    treeadd.add(13);
    treeadd.add(17);
    treeadd.add(2);

    System.out.println("Size of the tree set is: " + treeadd.size());
}

From source file:Main.java

public static void main(String[] args) {

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

    treeadd.add(1);/*from   w  w  w .  jav  a2 s. c  o  m*/
    treeadd.add(3);
    treeadd.add(17);
    treeadd.add(2);

    System.out.println("Remove 17: " + treeadd.remove(17));
}