Java Decimal class and rounding method with very high precision decimal time with

Note that if the result is an infinite number of decimal places, you will get an error if you do not specify

Import Java.util.scanner;import Java.math.bigdecimal;public class Main {public static void main (String args[]) {Scanner in = new Scanner (system.in); BigDecimal a = In.nextbigdecimal (); BigDecimal B = in.nextbigdecimal (); System.out.println ("Add" + a.add (b)); System.out.println ("Sub" + a.subtract (b)); System.out.println ("Mul" + a.multiply (b)); System.out.println ("Divide" + a.divide (b));//This assumes that the result is an infinite loop. You will get an error System.out.println ("Rounding:" + a.divide (b,5,bigdecimal.round_half_up));//The second parameter is the number of decimal digits  a.divide (b,5, BIGDECIMAL.ROUND_HALF_UP). doublevalue;double D1 = 3.1415926; BigDecimal T1 = new BigDecimal (D1); The doubletobigdecimal conversion int d2 = 3214856 can be performed sequentially; BigDecimal t2 = new BigDecimal (D2); BigDecimal t3 = new BigDecimal ("843269136"); System.out.println ("Dobule to:" + T1); System.out.println ("Int to:" + T2); System.out.println ("String to:" + T3);}}

Java Decimal class and rounding method with very high precision decimal time with