Java Math MathContext.getRoundingMode() 方法


Java Math MathContext.getRoundingMode() 方法

package com.codingdict;



import java.math.*;



public class MathContextDemo {



   public static void main(String[] args) {



      // create 2 MathContext objects

      MathContext mc1, mc2;



      // assign context settings to mc1, mc2

      mc1 = new MathContext(4);

      mc2 = new MathContext(50, RoundingMode.CEILING);



      // create 2 RoundingMode objects

      RoundingMode rm1, rm2;



      // assign roundingmode of mc1, mc2 to rm1, rm2

      rm1 = mc1.getRoundingMode();

      rm2 = mc2.getRoundingMode();



      String str1 = "Rounding Mode of mc1 is " + rm1;

      String str2 = "Rounding Mode of mc2 is " + rm2;



      // print rm1, rm2 values

      System.out.println( str1 );

      System.out.println( str2 );

   }

}