Java Math round() method with Example
The java.lang.Math.round() is a built-in math function which returns the closest long to the argument. The result is rounded to an integer by adding 1/2, taking the floor of the result after adding 1/2, and casting the result to type long.
- If the argument is NaN, the result is 0.
- If the argument is negative infinity or any value less than or equal to the value of Integer.MIN_VALUE, the result is equal to the value of Integer.MIN_VALUE.
- If the argument is positive infinity or any value greater than or equal to the value of Integer.MAX_VALUE, the result is equal to the value of Integer.MAX_VALUE.
public static int round(float val)
val - floating-point value to be rounded to an integer.
The method returns the value of the argument rounded to the nearest int value.
Example: To show working of java.lang.Math.round() function
y = -
positiveInfinity = Double.POSITIVE_INFINITY;
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