JavaSE学习：第二十四章、BigInteger、localDate1、BigInteger和bigDecimal2、Date和LocalDate：
1、BigInteger和bigDecimal用于存储很大的数即精度很高的数。public class StringBuffer_ { public static void main(String[] args) { BigInteger bigInteger = new BigInteger("199999999999999999999999999999999999999"); int n1 = 100; System.out
