使用Math.round对浮点数和双数取整

public class Main {

 

  public static void main(String[] args) {
  /*
  来 自*
   n o w j a   v  a . c o m - 时  代  Java
  */

     System.out.println(Math.round(10f));

   

     System.out.println(Math.round(1.5f));

   

     System.out.println(Math.round(120.5f));

   

     System.out.println(Math.round(-129.4f));

   

     System.out.println(Math.round(-123.5f));

   

  }

}