Java Data Type Tutorial - Java Math.ceil(double a)

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Syntax

Math.ceil(double a) has the following syntax.

public static double ceil(double a)

Example

In the following code shows how to use Math.ceil(double a) method.

/*from w w w.  java  2s  .c o m*/
public class Main {

   public static void main(String[] args) {

      double x = 125.9;
      double y = 0.12345;

      System.out.println("Math.ceil(" + x + ")=" + Math.ceil(x));
      System.out.println("Math.ceil(" + y + ")=" + Math.ceil(y));
      System.out.println("Math.ceil(-0.6)=" + Math.ceil(-0.6));

   }
}

The code above generates the following result.

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