Example usage for java.util Iterator next

Introduction

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

Prototype

E next();

Source Link

Document

Returns the next element in the iteration.

Usage

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");
    Set set = map.entrySet();//from  ww  w.j a v  a2  s .c  o  m

    Iterator iter = set.iterator();

    while (iter.hasNext()) {
        Map.Entry entry = (Map.Entry) iter.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");
    Set set = map.entrySet();/*from w  w  w  . j  a v  a 2 s.  co  m*/

    Iterator iter = set.iterator();

    while (iter.hasNext()) {
        Map.Entry entry = (Map.Entry) iter.next();
        System.out.println(entry.getKey() + " -- " + entry.getValue());
    }
}

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");

    Set st = lHashMap.keySet();/*from   w w  w  . j ava 2s.c o m*/

    Iterator itr = st.iterator();

    while (itr.hasNext()) {
        System.out.println(itr.next());
    }
    st.remove("2");

    boolean blnExists = lHashMap.containsKey("2");
    System.out.println(blnExists);
}

From source file:MainClass.java

public static void main(String[] args) {
    Provider provider = Security.getProvider("BC");

    Iterator it = provider.keySet().iterator();

    while (it.hasNext()) {
        String entry = (String) it.next();
        if (entry.startsWith("Alg.Alias.")) {
            entry = entry.substring("Alg.Alias.".length());
        }/*from   ww  w .  j  a  v a2  s  .c  om*/
        System.out.println(entry);
    }
}

From source file:Main.java

public static void main(String[] args) {
    String[] coins = { "A", "B", "C", "D", "E" };

    List src = new LinkedList();
    for (int i = 0; i < coins.length; i++) {
        src.add(coins[i]);/*  w  ww.  j  av a 2  s. com*/
    }

    System.out.println(src);

    Collections.fill(src, "java2s.com");

    Iterator liter = src.listIterator();

    while (liter.hasNext())
        System.out.println(liter.next());

}

From source file:MainClass.java

public static void main(String[] a) {

    Map map = new HashMap();
    map.put("key1", "value1");
    map.put("key2", "value2");
    map.put("key3", "value3");
    Set set = map.entrySet();//from www. j  a  v a2 s .c  o m

    Iterator iter = set.iterator();

    while (iter.hasNext()) {
        Map.Entry entry = (Map.Entry) iter.next();
        System.out.println(entry.getKey() + " -- " + entry.getValue());
    }
}

From source file:MainClass.java

public static void main(String[] args) throws Exception {
    Document doc = new SAXBuilder().build("books.xml");
    Element books = doc.getRootElement();

    Iterator it = books.getChildren().iterator();
    while (it.hasNext()) {
        Element book = (Element) it.next();
        System.out.println(book.getChildText("name") + " was published in " + book.getChildText("pubDate"));
    }//from  ww w.ja  v  a  2s.  c o  m

}

From source file:Main.java

public static void main(String[] args) {
    String text = "A,B,C,D";

    String[] keyValue = text.split(",");

    Map<Integer, String> myMap = new HashMap<Integer, String>();
    for (int i = 0; i < keyValue.length; i++) {
        myMap.put(i, keyValue[i]);/*from  ww w .j a v  a2  s . com*/
    }

    Set keys = myMap.keySet();
    Iterator itr = keys.iterator();

    while (itr.hasNext()) {
        Integer key = (Integer) itr.next();
        String value = (String) myMap.get(key);
        System.out.println(key + " - " + value);
    }
}

From source file:HTDemo2.java

public static void main(String args[]) {
    Hashtable<String, Double> balance = new Hashtable<String, Double>();

    String str;//  ww w .  j av  a2s .  c  om
    double bal;

    balance.put("A", 3434.34);
    balance.put("B", 123.22);
    balance.put("C", 1378.00);
    balance.put("D", 99.22);
    balance.put("E", -19.08);

    Set<String> set = balance.keySet();

    Iterator<String> itr = set.iterator();
    while (itr.hasNext()) {
        str = itr.next();
        System.out.println(str + ": " + balance.get(str));
    }

    System.out.println();

    bal = balance.get("A");
    balance.put("A", bal + 1000);
    System.out.println("A's new balance: " + balance.get("A"));
}

From source file:MainClass.java

public static void main(String[] a) {
    Properties props = System.getProperties();
    Iterator iter = props.entrySet().iterator();

    while (iter.hasNext()) {
        Map.Entry entry = (Map.Entry) iter.next();
        System.out.println(entry.getKey() + " -- " + entry.getValue());
    }//from w  w w .  j a  v a 2s  . c  o  m

}