In this example, bigdecimal class round method working is demonstrated.
Method return type is a bigdecimal value as per context
Method throws NumberFormatException if it finds value other than integer and double. Method also throws
ArithmeticException if the rounding mode is UNNECESSARY.
Syntax for using the method: public BigDecimal round(MathContext mc)
BigDecimal objects with names x, y;
y = x.round(mc);