Java Math BigDecimal.shortValueExact() 方法 Java Math Bigdecimal setscale_rm_roundingmode Java Math BigDecimal.signum() 方法 Java Math BigDecimal.shortValueExact() 方法 package com.codingdict; import java.math.*; public class BigDecimalDemo { public static void main(String[] args) { // create 2 BigDecimal objects BigDecimal bg1, bg2; // create 2 short objects short s1, s2; bg1 = new BigDecimal("235"); bg2 = new BigDecimal("4364"); // assign the short value of bg1 and bg2 to s1,s2 respectively s1 = bg1.shortValueExact(); s2 = bg2.shortValueExact(); String str1 = "Exact short value of " + bg1 + " is " + s1; String str2 = "Exact short value of " + bg2 + " is " + s2; // print s1,s2 values System.out.println( str1 ); System.out.println( str2 ); } } Java Math Bigdecimal setscale_rm_roundingmode Java Math BigDecimal.signum() 方法