java_BigInteger、BigDecimal

import java.math.BigDecimal;
import java.math.BigInteger;
import java.text.NumberFormat;

public class Code2 {
public static void main(String[] args){

BigInteger bigInteger1 = new BigInteger("2222222222222222"),
bigInteger2 = new BigInteger("11111");
System.out.println(bigInteger1.add(bigInteger2));

BigDecimal bigDecimal1 = new BigDecimal("123321");
BigDecimal bigDecimal2 = new BigDecimal("12");
NumberFormat cu = NumberFormat.getCurrencyInstance();
NumberFormat cc = NumberFormat.getPercentInstance();
System.out.println(cu.format(bigDecimal1));
System.out.println(cc.format(bigDecimal2));
}
}
<pre name="code" class="plain">结果：
2222222222233333
￥123,321.00
1,200%