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I would like to point something out to you. If you plan on working in the IT industry you're going to be expected to show better use of capialization that you did above. You're not texting, you're in a venue where you should at leaste attempt to seem literate. It's very unprofessional to type without caplitalization, proper punctuation, spelling, and use of grammar. You wouldn't type like that on your resume, so don't do it here either. It's hard to take someone serious who appears to be barely literate.
Now, having said that, if you attended classes regularly, paid attention in class, took adequate notes and did homework every night, you'd know this isn't a tough question and should only take about 5 minutes (tops) to figure out.
It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.