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« Round to int to double
value * 2^ scaleFactor »
 

Round a value to integer

ReturnMethodSummary
static longround(double a)Returns the closest long to a.
static intround(float a)Returns the closest int to a.

public class Main {
  public static void main(String[] args) {

    System.out.println(Math.round(1.2));
    System.out.println(Math.round(1.9));
  }
}

The output: 


1
2

Round Java float and double numbers using Math.round


public class Main {
  public static void main(String[] args) {
    System.out.println(Math.round(1.3f));
    System.out.println(Math.round(2.5f));
    System.out.println(Math.round(2.5f));
    System.out.println(Math.round(-9.4f));
    System.out.println(Math.round(-3.5f));
  }
}

The output:


1
3
3
-9
-3
« Round to int to double
value * 2^ scaleFactor »
 
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