math.round in java code example

Example 1: how to round up in java

int x = 3.14;

Math.round(x);
//Rounds to nearest int
Math.ceil(x);
//Rounds up to int
Math.floor(x);
//Rounds down to int

Example 2: rounding off in java

(double)Math.round(value * 100000d) / 100000d

Example 3: math round down java

Math.floor(num);