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:Main.java

public static void main(String[] args) {

    TreeSet<Integer> treeone = new TreeSet<Integer>();
    TreeSet<Integer> treetwo = new TreeSet<Integer>();

    treeone.add(12);//  w  ww.  ja v  a 2s.co m
    treeone.add(13);
    treeone.add(14);

    treetwo.add(15);
    treetwo.add(16);
    treetwo.add(17);

    // adding treetwo to treeone
    treeone.addAll(treetwo);

    Iterator<Integer> iterator = treeone.iterator();

    while (iterator.hasNext()) {
        System.out.print(iterator.next());
    }
}

From source file:Main.java

public static void main(String args[]) {

    Set<String> hset = new TreeSet<String>();

    // populate the set
    hset.add("from");
    hset.add("java2s.com");
    hset.add("tutorial");

    // get typesafe view of the set
    Set<String> tsset = Collections.checkedSet(hset, String.class);

    System.out.println(tsset);/*w w w. j a v a  2s  . c o  m*/
}

From source file:Main.java

public static void main(String[] args) {
    SortedSet<String> names = new TreeSet<>();
    names.add("HTML");
    names.add("Java");
    names.add("SQL");
    names.add("CSS");
    System.out.println("Sorted Set: " + names);
    System.out.println("First: " + names.first());
    System.out.println("Last: " + names.last());

    SortedSet<String> ssBeforeCSS = names.headSet("CSS");
    System.out.println(ssBeforeCSS);

    SortedSet<String> ssBetwenCSSAndHTML = names.subSet("CSS", "HTML");
    System.out.println(ssBetwenCSSAndHTML);

    SortedSet<String> ssBetwenCSSAndHTML2 = names.subSet("CSS", "HTML");
    System.out.println(ssBetwenCSSAndHTML2);

    SortedSet<String> ssCSSAndAfter = names.tailSet("CSS");
    System.out.println(ssCSSAndAfter);

}

From source file:Main.java

public static void main(String args[]) {

    SortedSet<String> set = new TreeSet<String>();

    PriorityQueue<String> p = new PriorityQueue<String>(set);

    System.out.println(p);/*from   w  w w. ja  v a 2  s .  c  o m*/
}

From source file:Main.java

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

    set.add(new Counter("A", 1));
    set.add(new Counter("B", 5));
    set.add(new Counter("C", 10));
    set.add(new Counter("D", 4));
    set.add(new Counter("E", 3));
    set.add(new Counter("F", 5));
    set.add(new Counter("G", 15));
    set.add(new Counter("H", 225));
    set.add(new Counter("I", 225));
    for (Counter f : set) {
        System.out.println(f);/*from w w w  .  jav a2 s . c  om*/
    }
}

From source file:Main.java

public static void main(String[] args) {
    Set<Item> s = new TreeSet<Item>();
    s.add(new Item("item1", 5));
    s.add(new Item("item2", 1));
    s.add(new Item("item3", 7));
    s.add(new Item("item4", 1));

    for (Item it : s) {
        System.out.println("Item is:" + it.getName() + " with value:" + it.getValue());
    }//from  w  w  w  . j  ava2 s .c  om

}

From source file:Main.java

public static void main(String args[]) {

    SortedSet<String> sset = new TreeSet<String>();

    sset.add("tutorial");
    sset.add("from");
    sset.add("java2s.com");

    // get typesafe view of the sorted set
    SortedSet<String> tsset = Collections.checkedSortedSet(sset, String.class);

    System.out.println(tsset);//  w w w .  java  2s .c o  m
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    SortedSet<String> set = new TreeSet<String>();
    set.add("b");
    set.add("c");
    set.add("a");

    Iterator it = set.iterator();
    while (it.hasNext()) {
        Object element = it.next();
    }/*w  w  w. j a  v  a  2 s .  c o  m*/
    String[] array = (String[]) set.toArray(new String[set.size()]);
}

From source file:Main.java

public static void main(String[] args) {
    // Create a sorted set of some names
    SortedSet<String> sortedNames = new TreeSet<>();
    sortedNames.add("Java");
    sortedNames.add("SQL");
    sortedNames.add("HTML");
    sortedNames.add("CSS");

    // Print the sorted set of names
    System.out.println(sortedNames);
}

From source file:Main.java

public static void main(String[] s) {
    SortedSet<String> set = new TreeSet<String>();

    set.add("Welcome");
    set.add("to");
    set.add("java2s.com");

    System.out.println("Initial set value: " + set);

    // create unmodifiable sorted set
    Set<String> unmodsortset = Collections.unmodifiableSortedSet(set);

    // try to modify the sorted set
    unmodsortset.add("Hello");
}