Java - ceil() Method

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Description:

The method ceil gives the smallest integer that is greater than or equal to the argument.

Syntax:

This method has following variants:

double ceil(double d)

double ceil(float f)

Parameters:

Here is the detail of parameters:

• A double or float primitive data type

Return Value:

• This method Returns the smallest integer that is greater than or equal to the argument. Returned as a double.

Example:

public class Test{ 

   public static void main(String args[]){
      double d = -100.675;
      float f = -90;    

      System.out.println(Math.ceil(d));
      System.out.println(Math.ceil(f)); 
					 
      System.out.println(Math.floor(d));
      System.out.println(Math.floor(f)); 
   }
}

This produces the following result:

-100.0
-90.0
-101.0
-90.0

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