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Java8 - sum求和,将 List 集合转为 Map,key去重(groupingBy),sorted排序 package com.example.core.mydemo.java8; public class GoodsPriceDTO { private Integer id; priva 阅读全文
posted @ 2023-04-10 23:10
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SM4Utils加解密demo package com.example.core.mydemo.sm4; import cn.org.bjca.utils.SM4Utils; public class SM4Test { public static void main(String[] args) 阅读全文
posted @ 2023-04-10 23:09
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Java8统计金额demo package com.example.core.mydemo.java8; public class GoodsPriceDTO { private String goodName; private Integer amount; public String getGo 阅读全文
posted @ 2023-04-10 23:07
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判断日期是否为周六周日,BigDecimal比较大小 package com.example.core.mydemo.date; import java.math.BigDecimal; import java.time.DayOfWeek; import java.time.LocalDateTi 阅读全文
posted @ 2023-04-10 23:06
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