Java Math BigDecimal.negate() 方法

package com.codingdict;



import java.math.*;



public class BigDecimalDemo {



   public static void main(String[] args) {



      // create 2 BigDecimal objects

      BigDecimal bg1, bg2;



      // assign value to bg1

      bg1 = new BigDecimal("40.1264");



      // assign negate value of bg1 to bg2

      bg2 = bg1.negate();



      String str = "Negated value of " + bg1 + " is "+ bg2;



      // print bg1 and bg2 values

      System.out.println( str );

   }

}