Explanation:
When your nonverbal signals match up with the words you're saying, they increase trust, clarity, and rapport. When they don't, they can generate tension, mistrust, and confusion.
To protect from attackers gaining access by sitting on a certain configuration too long.
Int whatever = scnr.nextInt();
Although usually when a class has a next* member function, it usually needs to check that there IS a next, that you haven't reached the end. Without knowing the class that scnr was instantiated from, I can't guess.
