JAVA EXAMPLE PROGRAMS

JAVA EXAMPLE PROGRAMS

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Java Enumeration Sample Code

Description:

A class that implements Enumeration interface provides access to series of elements one at a time. You need to call nextElement method to get next element in the series. Also hasMoreElements() method gives you status about the availability of next element in the series.


Code:
package com.myjava.Enumeration;

import java.util.Enumeration;
import java.util.Vector;

public class MyEnumeration {
    public static void main(String a[]){
        Vector<String> lang = new Vector<String>();
        Enumeration<String> en = null;
        lang.add("JAVA");
        lang.add("JSP");
        lang.add("SERVLET");
        lang.add("EJB");
        lang.add("PHP");
        lang.add("PERL");
        en = lang.elements();
        while(en.hasMoreElements()){
            System.out.println(en.nextElement());
        }
    }
}

Example Output

JAVA
JSP
SERVLET
EJB
PHP
PERL

List Of Collection Classes Sample Programs:


List Of Util Classes Sample Programs:

Knowledge Centre
Domain Naming Service(DNS)
It is very difficult to remember a set of numbers (IP address) to connect to the Internet. The Domain Naming Service(DNS) is used to overcome this problem. It maps one particular IP address to a string of characters. For example, www.java2novice.com implies com is the domain name reserved for US commercial sites, java2novice is the name of the company and www is the name of the specific computer, which is java2novice's server.

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Reference: Java™ Platform Standard Ed. 6 - API Specification | Java is registered trademark of Oracle.
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