I was working on array copy menually, then my IDE netbeans gave me a warning sign.
"You are Copying Arrays Manually."
And it showed me how to do it using System.arraycopy!
I think this IDE is so awesome, and people who made it are geniuses.
I hope I could be like them someday
http://docs.oracle.com/javase/6/docs/api/java/lang/System.html
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