Java BigDecimal .subtract (BigDecimal subtrahend, MathContext mc)

public BigDecimal subtract(BigDecimal subtrahend,   MathContext mc)

import java.math.BigDecimal;
import java.math.MathContext;
//from  w ww  .j a  v a 2s  .c  o m
public class Main {

  public static void main(String[] args) {

    MathContext mc = new MathContext(2); // 2 precision

    BigDecimal bg1 = new BigDecimal("100.123");
    BigDecimal bg2 = new BigDecimal("50.56");

    // subtract bg1 with bg2 using mc and assign result to bg3
    BigDecimal bg3 = bg1.subtract(bg2, mc);

    String str = "The Result of Subtraction is " + bg3;

    // print bg3 value
    System.out.println(str);
  }
}