Example usage for java.util Hashtable put

List of usage examples for java.util Hashtable put

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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[]) {

    Hashtable<Integer, String> htable = new Hashtable<Integer, String>();

    // put values into the table
    htable.put(1, "A");
    htable.put(2, "B");
    htable.put(3, "C");
    htable.put(4, "from java2s.com");

    // check table content
    System.out.println("Hash table content: " + htable);

    // clear the table
    htable.clear();//from   w w w.  j av  a 2  s. c  o m

    // check content after clear
    System.out.println("Hash table content after clear: " + htable);
}

From source file:Main.java

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

    // put values into the table
    htable.put(1, "A");
    htable.put(2, "B");
    htable.put(3, "C");
    htable.put(4, "from java2s.com");

    // create enumeration
    Enumeration<String> e = htable.elements();

    System.out.println("Display result:");

    // display search result
    while (e.hasMoreElements()) {
        System.out.println(e.nextElement());
    }/* w  ww .j  av  a 2s.  co  m*/
}

From source file:Main.java

public static void main(String args[]) {
    // create two hash tables 
    Hashtable<Integer, String> htableclone = new Hashtable<Integer, String>();
    Hashtable<Integer, String> htable = new Hashtable<Integer, String>();

    // put values into the table
    htable.put(1, "A");
    htable.put(2, "B");
    htable.put(3, "C");
    htable.put(4, "from java2s.com");

    // check table content
    System.out.println("Original hash table content: " + htable);

    // clone hash table
    htableclone = (Hashtable) htable.clone();

    // check content after clone
    System.out.println("Clone table content: " + htableclone);
}

From source file:Main.java

public static void main(String args[]) {

    Hashtable<Integer, String> htable = new Hashtable<Integer, String>(10);

    // put values into the table
    htable.put(1, "A");
    htable.put(2, "B");
    htable.put(3, "C");
    htable.put(4, "from java2s.com");

    // check table content
    System.out.println("Hash table content: " + htable);

    // clear the table
    htable.clear();//from  w ww.  j  a v a 2  s .com

    // check content after clear
    System.out.println("Hash table content after clear: " + htable);
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    Connection conn = getMySqlConnection();
    // Set up the environment for creating the initial context
    Hashtable env = new Hashtable(11);
    env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.fscontext.RefFSContextFactory");
    env.put(Context.PROVIDER_URL, "file:/jdbc");

    Context context = new InitialContext(env);
    NamingEnumeration list = context.list("jdbc");

    while (list.hasMore()) {
        NameClassPair nc = (NameClassPair) list.next();
        System.out.println(nc);/*from  w  w w .  j  a v a2 s  .c o m*/
    }

    OracleDataSource ods = new OracleDataSource();
    ods.setDriverType("thin");
    ods.setServerName("localhost");
    ods.setNetworkProtocol("tcp");
    ods.setDatabaseName("databaseName");
    ods.setPortNumber(1521);
    ods.setUser("userName");
    ods.setPassword("Password");

    Context ctx = new InitialContext();
    ctx.bind("file:/jdbc/mydb", ods);

    // Get the initial context of JNDI and lookup the datasource.
    InitialContext ic = new InitialContext();
    javax.sql.DataSource ds = (javax.sql.DataSource) ic.lookup("file:/jdbc/mydb");
    // Set the optional printwriter where the trace log is to be directed.
    ds.setLogWriter(new PrintWriter(new FileOutputStream("c:/datasource.log")));
    Connection con1 = ds.getConnection();
    Connection con2 = ds.getConnection("userName", "password");
    conn.close();

}

From source file:Lookup.java

public static void main(String[] args) {

    // Set up the environment for creating the initial context
    Hashtable<String, Object> env = new Hashtable<String, Object>(11);
    env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory");
    env.put(Context.PROVIDER_URL, "ldap://localhost:389/o=JNDITutorial");

    try {// w  ww .j  a  v  a  2 s.c  o  m
        // Create the initial context
        Context ctx = new InitialContext(env);

        // Perform lookup and cast to target type
        LdapContext b = (LdapContext) ctx.lookup("cn=Rosanna Lee,ou=People");

        System.out.println(b);

        // Close the context when we're done
        ctx.close();
    } catch (NamingException e) {
        System.out.println("Lookup failed: " + e);
    }
}

From source file:Timeout.java

public static void main(String[] args) {
    // Set up environment for creating initial context
    Hashtable<String, Object> env = new Hashtable<String, Object>(11);
    env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory");
    env.put(Context.PROVIDER_URL, "ldap://localhost:389/o=JNDITutorial");

    // Specify timeout to be 5 seconds
    env.put("com.sun.jndi.ldap.connect.timeout", "5000");

    try {//w  ww  .  j  a  v  a  2s . c  o  m
        // Create initial context
        DirContext ctx = new InitialDirContext(env);

        System.out.println(ctx.lookup("ou=NewHires"));

        // do something useful with ctx

        // Close the context when we're done
        ctx.close();
    } catch (NamingException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static void main(String args[]) {

    Hashtable<Integer, String> htable = new Hashtable<Integer, String>(10, 0.75F);

    // put values into the table
    htable.put(1, "A");
    htable.put(2, "B");
    htable.put(3, "C");
    htable.put(4, "from java2s.com");

    // check table content
    System.out.println("Hash table content: " + htable);

    // clear the table
    htable.clear();/*from w  w  w.j  ava 2 s. c om*/

    // check content after clear
    System.out.println("Hash table content after clear: " + htable);
}

From source file:LookupLdapName.java

public static void main(String[] args) {

    // Set up the environment for creating the initial context
    Hashtable<String, Object> env = new Hashtable<String, Object>(11);
    env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory");
    env.put(Context.PROVIDER_URL, "ldap://localhost:389/");

    try {/*from w w  w .j av  a 2  s . c o m*/
        // Create the initial context
        Context ctx = new InitialContext(env);

        // A string representation of an LDAP name
        LdapName dn = new LdapName("ou=People,o=JNDITutorial");

        // Perform the lookup using the dn
        Object obj = ctx.lookup(dn);

        System.out.println(obj);

        // Close the context when we're done
        ctx.close();
    } catch (NamingException e) {
        System.out.println("Lookup failed: " + e);
    }
}

From source file:ReadTimeoutTest.java

public static void main(String[] args) throws Exception {

    boolean passed = false;

    // Set up the environment for creating the initial context
    Hashtable env = new Hashtable(11);
    env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory");
    env.put("com.sun.jndi.ldap.read.timeout", "1000");
    env.put(Context.PROVIDER_URL, "ldap://localhost:2001");

    Server s = new Server();

    try {/*from  w w  w. j  a v  a2  s .c o m*/

        // start the server
        s.start();

        // Create initial context
        DirContext ctx = new InitialDirContext(env);
        System.out.println("LDAP Client: Connected to the Server");

        // Close the context when we're done
        ctx.close();
    } catch (NamingException e) {
        e.printStackTrace();
    }
    s.interrupt();
}