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
Different types of Access Modifiers
public: Any thing declared as public can be accessed from anywhere.

private: Any thing declared as private can't be seen outside of its class.

protected: Any thing declared as protected can be accessed by classes in the same package and subclasses in the other packages.

default modifier: Can be accessed only to classes in the same package.
Famous Quotations
You can never get enough of what you don’t really need.
-- Eric Hoffer

About Author

I'm Nataraja Gootooru, programmer by profession and passionate about technologies. All examples given here are as simple as possible to help beginners. The source code is compiled and tested in my dev environment.

If you come across any mistakes or bugs, please email me to java2novice@gmail.com or you can comment on the page.

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Reference: Java™ Platform Standard Ed. 7 - API Specification | Java is registered trademark of Oracle.
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