Units

### Unit: Java.lang – Rounding Functions - Questions and Answers

Practice these Java.lang – Rounding Functions under Java Programming walk-in interview Questions/ examination questions with best tricks and short cuts with solution. Student (candidate) who want to crack the walk in interview, competitive exams and want to find short cuts and tricks to solve questions on Java.lang – Rounding Functions for following purpose.

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Here is list of Questions and Answers covering all key area of  Java.lang – Rounding Functions topic of Java Programming:

1.  Which of these class contains only floating point functions?

Explanation:
Math class contains all the floating point functions that are used for geometry, trigonometry, as well as several general purpose methods. Example : sin(), cos(), exp(), sqrt() etc.

2. Which of function return absolute value of a variable?

Explanation:
abs() returns the absolute value of a variable.

3.  Which of these method is a rounding function of Math class?

Explanation:
rint() rounds up a variable to nearest integer.

4. Which of these method return a largest whole number less than or equal to variable X?