JAVA MTA Exam with precise detailed solutions

JAVA MTA Exam with precise |! |! |! |! |!




detailed solutions |!




What is the order of precedence? - Correct answer ✔PEMDAS
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int amount = 30,000
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double rate = .10 |! |! |!




int licensing = 1,000
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double total= amount+licensing*rate
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print(total)

The output is 30,100, but should be 33,100, how do you fix this? - Correct
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answer ✔(amount+licensing)*rate+amount
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How do you print to user? - Correct answer ✔system.out.print("");
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What is %? - Correct answer ✔modulus
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What does modulus do? (%) - Correct answer ✔returns remainder after
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division



How do you create a scanner? - Correct answer ✔Scanner in = new
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Scanner(System.in);

, What does next() do? - Correct answer ✔returns the scanner value on the
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next line
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What is an InputMismatchException? - Correct answer ✔when the the input
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data type is incorrect or out of range
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What is getMessage? - Correct answer ✔displays details of an exception
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What is IO Exception? - Correct answer ✔occurs when a file being read from
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doesn't exist |!




What are the two types of exceptions? - Correct answer ✔checked and
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unchecked?



What are checked exceptions? - Correct answer ✔a type that is checked at
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compile time |!




What are unchecked exceptions? - Correct answer ✔it is not checked in
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compile time |!




What does getStackTrace do? - Correct answer ✔returns an array of stack
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trace elements
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