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 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");

    Hashtable<Integer, String> htable1 = new Hashtable<Integer, String>(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");

    // check if table contains "C"
    boolean isavailable = htable.contains("C");

    // display search result
    System.out.println("Hash table contains 'C': " + isavailable);
}

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 if table contains key "3"
    boolean isavailable = htable.containsKey(3);

    // display search result
    System.out.println("Hash table contains key '3': " + isavailable);
}

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 if table contains value "C"
    boolean isavailable = htable.containsValue("C");

    // display search result
    System.out.println("Hash table contains value 'C': " + isavailable);
}

From source file:Main.java

public static void main(String[] args) {

    // Create a new hasthtable
    Dictionary d = new Hashtable();

    // Put some elements
    d.put("1", "from java2s.com");
    d.put("2", "Cocoa");
    d.put("5", "Coffee");

    // print the size of the dictionary
    System.out.println("Size of dictionary:" + d.size());
    ;/*from   w  ww . ja  va 2  s.com*/
}

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 www  .  jav a 2s .com*/

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

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.keys();
    while (e.hasMoreElements()) {
        String key = (String) e.nextElement();
        System.out.println(key + " : " + table.get(key));
    }//ww  w .ja v  a2  s. c om
}

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));
    }/*from w  w  w .  jav a2s .co m*/

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

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");

    Enumeration e = ht.elements();

    while (e.hasMoreElements()) {
        System.out.println(e.nextElement());
    }/*w w w.j  av a2  s .c  o  m*/
}

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");

    Enumeration e = ht.keys();// w  ww .  j a va  2s . c o  m

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