Example usage for java.util Hashtable Hashtable

Introduction

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

Prototype

public Hashtable()

Source Link

Document

Constructs a new, empty hashtable with a default initial capacity (11) and load factor (0.75).

Usage

From source file:Main.java

public static void main(String[] argv) throws Exception {
    String url = "iiop://localhost/";
    Hashtable env = new Hashtable();
    env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.cosnaming.CNCtxFactory");
    env.put(Context.PROVIDER_URL, url);

    Context ctx = new InitialContext(env);
}

From source file:Main.java

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

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

    Set st = ht.keySet();/* w w  w.j  av a2s  . co m*/

    Iterator itr = st.iterator();

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

    Enumeration e = ht.keys();
    while (e.hasMoreElements()) {
        System.out.println(e.nextElement());
    }
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    String url = "iiop://localhost/";
    Hashtable env = new Hashtable();
    env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.cosnaming.CNCtxFactory");
    env.put(Context.PROVIDER_URL, url);

    Context ctx = new InitialContext(env);
    Object obj = ctx.lookup("Sample");
}

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 ww  w .j a  v a2s.  c om*/

}

From source file:List.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");

    Object item = null;/*from  w w  w . j a v a  2  s  . com*/

    Context initCtx = new InitialContext(env);
    NamingEnumeration nl = initCtx.list("reports");

    if (nl == null)
        System.out.println("\nNo items in name list");
    else
        while (nl.hasMore()) {
            item = nl.next();
            System.out.println("item's class is " + item.getClass().getName());
            System.out.println(item);
            System.out.println("");
        }
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    String url = "iiop://localhost/";
    Hashtable<String, String> env = new Hashtable<String, String>();
    env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.cosnaming.CNCtxFactory");
    env.put(Context.PROVIDER_URL, url);

    Context ctx = new InitialContext(env);

    // Create a subcontext.
    Context childCtx = ctx.createSubcontext("child");

    // Destroy the subcontext.
    ctx.destroySubcontext("child");
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    String url = "iiop://localhost/";
    Hashtable<String, String> env = new Hashtable<String, String>();
    env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.cosnaming.CNCtxFactory");
    env.put(Context.PROVIDER_URL, url);

    Context ctx = new InitialContext(env);
    // Create a subcontext.
    Context childCtx = ctx.createSubcontext("child");

    // Destroy the subcontext.
    ctx.destroySubcontext("child");

    Context obj = (Context) childCtx.lookup("grandChild");
    String fullname = obj.getNameInNamespace();
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    String url = "iiop://localhost/";
    Hashtable<String, String> env = new Hashtable<String, String>();
    env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.cosnaming.CNCtxFactory");
    env.put(Context.PROVIDER_URL, url);

    Context ctx = new InitialContext(env);
    // Add a binding.
    ctx.bind("Name", null);

    // Replace a binding.
    ctx.rebind("Name", null);

    // Remove a binding.
    ctx.unbind("Name");

    // Rename a binding.
    ctx.rename("Name", "NewSample");
}

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);// w ww  . j a v a2 s.co m
        ostream.close();
        sock.close();
    }
}

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  w w.  j  a  va 2s .co  m
        while ((l = br.readLine()) != null)
            System.out.println(l);
    }

}