kejia90的专栏

I’m using Gson to serialize an Active Android model. The model class contains only primitives, and Gson should have no issues serializing it with the default settings. However, when I try, I get the error: java.lang.UnsupportedOperationException: Attempt..

package com.clzhang.sample; import java.math.BigDecimal; import java.math.RoundingMode; import java.text.DecimalFormat; import java.text.NumberFormat; public class DoubleTest { /** * 保留两位小数，四舍五入的一个老土的方法 * @param d * @return *