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Swapnadip C.
Concept oriented tutor for math and computer science
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PHP Programming
TutorMe
Question:

Explain what the following code will display? 2.5 or 3 $a=012; echo $a/4;

Swapnadip C.
Answer:

When any number is preceded by a 0 in PHP, then the number is treated as an octal number (i.e. base-8). Therefore the octal number 012 is equivalent to the decimal number 10. So when 10 divided by 4 gives 2.5

Java Programming
TutorMe
Question:

What will happen if we put a return statement or System.exit () on try or catch block? Will the finally block get executed?

Swapnadip C.
Answer:

This is a tricky Java question because most programmers think that no matter what, but the finally block will always execute. Actually, in Java the finally block will execute even if you put a return statement in the try block or catch block but finally block will not run if we call System.exit() from try or catch block.

HTML Programming
TutorMe
Question:

What is the actual difference between HTML and HTML5?

Swapnadip C.
Answer:

HTML is basically a simple language for laying out text and images on a web page, while HTML5 acts as an application development platform that can do what HTML does and a lot more, including better support for audio/ video, & interactive graphics. It has quite a few new elements, supports offline storage of data for applications, and has more strong exchange protocols. Hence, proprietary plug-in technologies like Microsoft Silverlight, Adobe Flash, and Sun JavaFX are no longer needed, because browsers are now able to process these elements without additional requirements.

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