找零时刻

public class Change{public static void main(String args[]){System.out.println(2.00 - 1.10);//System.out.printf("%.2f%n",2.00 - 1.10);//System.out.println((200 - 110) + "cents");}}import java.math.BigDecimal;public class Change1{public static void main(String args[]){System.out.println(new BigDecimal("2.00").subtract(new BigDecimal("1.10")));}}