Using the Math Class

AP Computer Science A· difficulty 2/5

double r = Math.sqrt(16);
System.out.println(r);

What is printed?

  • A

    4

  • B

    4.0

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  • C

    16.0

  • D

    2.0

Explanation

Math.sqrt returns a double; the square root of 16 is 4.0.

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