Example usage for java.util Hashtable put

Introduction

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

Prototype

public synchronized V put(K key, V value)

Source Link

Document

Maps the specified key to the specified value in this hashtable.

Usage

From source file:Main.java

public static void main(String args[]) throws Exception {
    ServerSocket ssock = new ServerSocket(1234);
    Hashtable hash = new Hashtable();
    hash.put("A", "a");

    while (true) {
        Socket sock = ssock.accept();
        ObjectOutputStream ostream = new ObjectOutputStream(sock.getOutputStream());
        ostream.writeObject(hash);//from   w  ww.  ja  v  a  2 s .  c  o  m
        ostream.close();
        sock.close();
    }
}

From source file:MainClass.java

public static void main(String[] s) {
    Hashtable table = new Hashtable();
    table.put("key1", "value1");
    table.put("key2", "value2");
    table.put("key3", "value3");

    Map m = Collections.unmodifiableMap(table);

    m.put("key3", "value3");

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

}

From source file:MainClass.java

public static void main(String[] s) {
    Hashtable table = new Hashtable();
    table.put("key1", "value1");
    table.put("key2", "value2");
    table.put("key3", "value3");

    Enumeration e = table.elements();
    while (e.hasMoreElements()) {
        String key = (String) e.nextElement();
        System.out.println(key + " : " + table.get(key));
    }/*  w  w w  .ja  v  a  2 s  .  c  o  m*/

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

From source file:MainClass.java

public static void main(String[] s) {
    Hashtable table = new Hashtable();
    table.put("key1", "value1");
    table.put("key2", "value2");
    table.put("key3", "value3");

    Set set = table.entrySet();//ww w.jav  a 2s. com
    Iterator it = set.iterator();
    while (it.hasNext()) {
        Map.Entry entry = (Map.Entry) it.next();
        System.out.println(entry.getKey() + " : " + entry.getValue());
    }
}

From source file:MainClass.java

public static void main(String args[]) {

    Hashtable ht = new Hashtable();
    ht.put("Tokyo", "Japan");
    ht.put("Beijing", "China");
    ht.put("Bangkok", "Thailand");

    String city = "Beijing";
    String country = (String) ht.get(city);
    if (country != null)
        System.out.println(city + " is located in " + country);
    else//from   w w  w . ja va  2  s. c o m
        System.out.println(city + " is not located in the hashtable");
}

From source file:MainClass.java

public static void main(String args[]) {
    Hashtable ht = new Hashtable();
    ht.put("a", "a");
    ht.put("b", new Double(2));
    ht.put("c", "b");
    ht.put("d", new Integer(30));
    show(ht);//from   w  ww .  j ava2 s  .c  o  m
}

From source file:Print.java

public static void main(String[] args) throws Exception {
    Hashtable env = new Hashtable();
    env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.fscontext.RefFSContextFactory");

    env.put(Context.PROVIDER_URL, "file:/tmp/marketing");

    Context initCtx = new InitialContext(env);
    File f = (File) initCtx.lookup("reports/report1.txt");
    if (f != null) {
        BufferedReader br = new BufferedReader(new FileReader(f));
        String l = null;//from   w ww  .  ja v a2 s .  c om
        while ((l = br.readLine()) != null)
            System.out.println(l);
    }

}

From source file:MainClass.java

public static void main(String args[]) {
    Hashtable hashtable = new Hashtable();
    hashtable.put("apple", "red");
    hashtable.put("strawberry", "red");

    Enumeration e = hashtable.keys();
    while (e.hasMoreElements()) {
        Object k = e.nextElement();
        Object v = hashtable.get(k);
        System.out.println("key = " + k + "; value = " + v);
    }//from  w ww . j  av a  2  s .c  o  m

}

From source file:Rename.java

public static void main(String[] args) throws Exception {
    String initialContextString = "/";

    if (args.length < 2) {
        System.out.println("Useage: java Rename filename1 filename2");
        System.exit(-1);//  w ww .  j  a  v a 2s. co  m
    }

    Hashtable env = new Hashtable();

    env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.fscontext.RefFSContextFactory");
    env.put(Context.PROVIDER_URL, "file:" + initialContextString);

    Context initCtx = new InitialContext(env);
    System.out.println("Renaming " + args[0] + " to " + args[1]);
    initCtx.rename(args[0], args[1]);

}

From source file:Modify1Example.java

public static void main(String args[]) {
    Hashtable env = new Hashtable(11);

    env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory");
    env.put(Context.PROVIDER_URL, "ldap://MyHost/o=JNDIExample");
    try {// ww  w.  j  ava2 s  . c o  m
        DirContext dctx = new InitialDirContext(env);
        Attributes attrs = new BasicAttributes(true);
        attrs.put(new BasicAttribute("email", "name@site.com"));
        attrs.put(new BasicAttribute("website"));

        dctx.modifyAttributes("cn=Name, ou=People", DirContext.ADD_ATTRIBUTE, attrs);
    } catch (Exception e) {
        System.out.println(e);
    }
}