Java Math Bigdecimal Negate_mc

package com.codingdict;



import java.math.*;



public class BigDecimalDemo {



   public static void main(String[] args) {



      // create 2 BigDecimal objects

      BigDecimal bg1, bg2;



      MathContext mc = new MathContext(4);// 4 precision



      // assign value to bg1

      bg1 = new BigDecimal("40.1264");



      // assign negate value of bg1 to bg2 using mc

      bg2 = bg1.negate(mc);



      String str = "Negated value, rounded to 2 precision is " +bg2;



      // print bg2 value

      System.out.println( str );

   }

}