Source Code Libraries of the Future

November 20th, 2011 by No comments »

java code snippetsThe development community is one of the most sizable and rapidly growing throughout the world of I.T. It consistently adopts and embraces new technologies and good developers will research and learn these as part of their daily work ethic.

Developers are aware of their responsibility towards the development and expansion of this field that ultimately helps different organizations, which are running their businesses majorly over internet. One of the major concerns for any developer is which technologies to learn and where can they find good example code or up-to-date snippets and projects they can copy or use. Once the developers get their hands on usable and innovative software projects, then it become easier for them to take an idea, which are utilize in their own projects. It does not mean that developers snatch someone else’s ideas, but they actually take help and then modify it in their own creative way. And this results in something new and amazing.

Actually there are many sites around the globe that host source code libraries and offer developers, an opportunity to post their projects to help the community. In order to locate the best and most reliable website, you should talk to your friends or ask from your colleagues, who have been posting their software projects. Any of the developers can post their work on one of the most reliable websites. In this way, developers are unlike any other profession in the world where they simply give away their hard work and allow others to limitlessly plagiarise and take credit for their efforts. And this illegal act brings down the real value and trust of those developers, who work hard and post their work over different websites.

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Java String Examples – Comparing, Finding, and Extracting

November 3rd, 2011 by No comments »

In this article we’ll look at a collection of Java String programming tips. The Java String class is one of the most commonly-used classes, so it’s well worth knowing how to perform some of the most common operations.

Testing String equality

The first important thing to know about working with Java strings is how to compare two strings to each other. Unlike comparing primitives in Java, you cannot compare two Java strings like this:

<br>if (s1 == s2) { // do something here } <br>

Actually, you can do that, but it would be wrong. The correct way to compare two Java strings is to use the String equals method, like this:

<br>if (s1.equals(s2)) { // do something here }<br>Finding one string in another string

A second common String operation is to search one string to see if it contains some other string. For instance, assume you had a string named toppings, and you wanted to see if that string contained the string “pepperoni”. A simple way to do that is to use the indexOf() method, like this:

<br>if (toppings.indexOf(“pepperoni”) &amp;amp;gt;= 0) { // your logic here }<br>

As a precaution, if you don’t know the case of the string you’re comparing to, you’re always better off converting that string to upper- or lower-case, like this:

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How Does Java Handle Overriding?

October 31st, 2011 by No comments »

Overriding tactics in Java is very different from C++ as methods by default in Java can be overridden unlike C++. In C++, the concept of overriding functions are handled by Virtual Table, VTable. Whereas in Java there is some other concept. Before going into the depth, let’s see some of the basic things which one should need to know before making their hands dirty in overriding concept.

Here is a Simple HelloWorld Program:

class Hello {

public static void main(String[] args)

{

System.out.println("Hello Bloggers!");

}

}

Lets see what the bytecode is generating, javap -c Hello

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