Example usage for java.util Iterator hasNext

Introduction

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

Prototype

boolean hasNext();

Source Link

Document

Returns true if the iteration has more elements.

Usage

From source file:Main.java

public static void main(String[] args) {
    LinkedHashMap<String, String> lHashMap = new LinkedHashMap<String, String>();

    lHashMap.put("1", "One");
    lHashMap.put("2", "Two");
    lHashMap.put("3", "Three");

    Collection c = lHashMap.values();
    Iterator itr = c.iterator();

    while (itr.hasNext()) {
        System.out.println(itr.next());
    }//w ww  .jav a2s . co m
}

From source file:Main.java

public static void main(String[] args) {
    HashMap<String, String> hMap = new HashMap<String, String>();
    hMap.put("1", "One");
    hMap.put("2", "Two");
    hMap.put("3", "Three");

    Collection c = hMap.values();
    Iterator itr = c.iterator();
    while (itr.hasNext()) {
        System.out.println(itr.next());
    }// ww w . j  av  a  2  s .  c o m
}

From source file:Main.java

public static void main(String[] args) {

    Path path = Paths.get("C:", "tutorial/Java/JavaFX", "Topic.txt");

    Iterator<Path> it = path.iterator();

    while (it.hasNext()) {
        System.out.println(it.next());
    }/*from  w ww  . j  a  v a 2  s  .  com*/
}

From source file:Main.java

public static void main(String[] args) {

    HashSet<Integer> hSet = new HashSet<Integer>();

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

    Iterator itr = hSet.iterator();

    while (itr.hasNext())
        System.out.println(itr.next());
}

From source file:MainClass.java

public static void main(String args[]) {

    String[] a = new String[] { "a", "b", "c" };
    List list = Arrays.asList(a);

    Iterator i = list.iterator();
    while (i.hasNext()) {
        System.out.println(i.next());
    }/*from   ww  w.  ja v a  2s  .  co m*/
}

From source file:Main.java

public static void main(String[] a) {
    HashMap<String, String> map = new HashMap<String, String>();
    map.put("key1", "value1");
    map.put("key2", "value2");
    map.put("key3", "value3");

    Collection set = map.values();
    Iterator iter = set.iterator();

    while (iter.hasNext()) {
        System.out.println(iter.next());
    }//from   w  ww  .ja v a2s. c  om
}

From source file:Main.java

public static void main(String args[]) {

    PriorityQueue<Integer> prq = new PriorityQueue<Integer>();

    for (int i = 0; i < 10; i++) {
        prq.add(i);//from ww w.  ja  va 2  s.  c o m
    }

    // create iterator from the queue
    Iterator it = prq.iterator();

    while (it.hasNext()) {
        System.out.println("Value: " + it.next());
    }
}

From source file:Main.java

public static void main(String[] a) {
    Map<String, String> map = new HashMap<String, String>();
    map.put("key1", "value1");
    map.put("key2", "value2");
    map.put("key3", "value3");

    Collection set = map.values();
    Iterator iter = set.iterator();

    while (iter.hasNext()) {
        System.out.println(iter.next());
    }//from   w  ww  . j  a va2  s  .  com
}

From source file:Main.java

public static void main(String[] args) {
    TreeMap<String, String> treeMap = new TreeMap<String, String>();
    treeMap.put("1", "One");
    treeMap.put("3", "Three");
    treeMap.put("2", "Two");

    Set st = treeMap.keySet();//from w  w  w . java 2  s . c om
    Iterator itr = st.iterator();
    while (itr.hasNext()) {
        System.out.println(itr.next());
    }
    st.remove("1");

    System.out.println(treeMap.containsKey("1"));
}

From source file:MainClass.java

public static void main(String[] args) {
    List cats = new ArrayList();
    for (int i = 0; i < 7; i++)
        cats.add(new Cat(i));
    Iterator e = cats.iterator();
    while (e.hasNext())
        ((Cat) e.next()).id();/*from  www .j a va  2 s  . co m*/
}