Example usage for java.util HashMap put

Introduction

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

Prototype

public V put(K key, V value)

Source Link

Document

Associates the specified value with the specified key in this map.

Usage

From source file:Main.java

public static void main(String[] args) {

    HashMap<String, String> hashmap = new HashMap<String, String>();

    hashmap.put("one", "1");
    hashmap.put("two", "2");
    hashmap.put("three", "3");
    hashmap.put("four", "4");
    hashmap.put("five", "5");
    hashmap.put("six", "6");

    Iterator<String> keyIterator = hashmap.keySet().iterator();
    Iterator<String> valueIterator = hashmap.values().iterator();

    while (keyIterator.hasNext()) {
        System.out.println("key: " + keyIterator.next());
    }/*from   ww w . j  av a  2s . c o m*/

    while (valueIterator.hasNext()) {
        System.out.println("value: " + valueIterator.next());
    }
}

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");

    Hashtable<String, String> ht = new Hashtable<String, String>();
    ht.put("1", "REPLACED !!");
    ht.put("4", "Four");

    Enumeration e = ht.elements();
    while (e.hasMoreElements()) {
        System.out.println(e.nextElement());
    }/* w  w w.  j a v  a2  s .c o  m*/

    ht.putAll(hMap);
    e = ht.elements();

    while (e.hasMoreElements()) {
        System.out.println(e.nextElement());
    }
}

From source file:Main.java

public static void main(String args[]) {
    HashMap<Integer, String> newmap = new HashMap<Integer, String>();

    // populate hash map
    newmap.put(1, "tutorials");
    newmap.put(2, "from");
    newmap.put(3, "java2s.com");

    System.out.println("Size of the map: " + newmap.size());
}

From source file:MainClass.java

public static void main(String[] args) throws Exception {
    PdfReader reader = new PdfReader("test.pdf");
    PdfStamper stamper = new PdfStamper(reader, new FileOutputStream("my.pdf"));
    stamper.insertPage(1, PageSize.A4);/*from  w  w w .  ja va  2 s  .  co  m*/
    PdfContentByte cb = stamper.getOverContent(1);
    PdfImportedPage p = stamper.getImportedPage(reader, 2);
    cb.addTemplate(p, 0.4f, 0f, 0f, 0.4f, 36f, 450);
    p = stamper.getImportedPage(reader, 3);
    cb.addTemplate(p, 0.4f, 0f, 0f, 0.4f, 300f, 450);
    p = stamper.getImportedPage(reader, 4);
    cb.addTemplate(p, 0.4f, 0f, 0f, 0.4f, 36f, 100);
    stamper.addAnnotation(PdfAnnotation.createText(stamper.getWriter(), new Rectangle(300f, 350f, 500f, 450f),
            "inserted page", "This page contains a copy of the next three pages.", true, null), 1);
    List list = SimpleBookmark.getBookmark(reader);
    HashMap<String, String> map = new HashMap<String, String>();
    map.put("Title", "title content");
    map.put("Action", "GoTo");
    map.put("Page", "1 FitH 806");
    list.add(0, map);
    stamper.setOutlines(list);
    stamper.close();
}

From source file:Main.java

public static void main(String args[]) {

    HashMap<Integer, String> newmap = new HashMap<Integer, String>();

    // populate hash map
    newmap.put(1, "tutorials");
    newmap.put(2, "from");
    newmap.put(3, "java2s.com");

    System.out.println(newmap.values());
}

From source file:Main.java

public static void main(String args[]) {
    HashMap<Integer, String> newmap = new HashMap<Integer, String>();

    // populate hash map
    newmap.put(1, "tutorials");
    newmap.put(2, "from");
    newmap.put(3, "java2s.com");

    // check existence of key 2
    System.out.println("Check if key 2 exists: " + newmap.containsKey(2));
}

From source file:Main.java

public static void main(String args[]) {
    HashMap<Integer, String> newmap = new HashMap<Integer, String>();

    // populate hash map
    newmap.put(1, "tutorials");
    newmap.put(2, "from");
    newmap.put(3, "java2s.com");

    // check existence of value 'point'
    System.out.println("Check if value 'point' exists: " + newmap.containsValue("point"));
}

From source file:HashDemoGeneric.java

public static void main(String[] args) {
    HashMap<Integer, String> map = new HashMap<Integer, String>();

    map.put(1, "Ian");
    map.put(42, "Scott");
    map.put(123, "Somebody else");

    String name = map.get(42);/*  www  .  j  a v a 2 s  .  co m*/
    System.out.println(name);
}

From source file:MainClass.java

public static void main(String args[]) {

    HashMap<String, Double> hm = new HashMap<String, Double>();

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

    Set<Map.Entry<String, Double>> set = hm.entrySet();

    for (Map.Entry<String, Double> me : set) {
        System.out.print(me.getKey() + ": ");
        System.out.println(me.getValue());
    }/*  w  w w .  ja  va  2  s. com*/

    System.out.println();

    double balance = hm.get("B");
    hm.put("B", balance + 1000);

    System.out.println("B's new balance: " + hm.get("B"));
}

From source file:Main.java

public static void main(String args[]) {
    HashMap<Integer, String> newmap = new HashMap<Integer, String>();

    // populate hash map
    newmap.put(1, "tutorials");
    newmap.put(2, "from");
    newmap.put(3, "java2s.com");

    // get value of key 3
    String val = (String) newmap.get(3);

    // check the value
    System.out.println("Value for key 3 is: " + val);
}