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studyJava

模块study-executors: 学习线程有关的知识 1.submit 2.invokeAll

模块study-collection: 学习集合的 Map HashMap LinkedHashMap:按加入顺序 TreeMap:按值排序

模块study-json 学习JSON import com.alibaba.fastjson.JSON; import com.alibaba.fastjson.JSONArray; import com.alibaba.fastjson.JSONObject;

模块study-date 学习操作时间 import java.text.SimpleDateFormat; import java.util.Date; import java.util.Calendar;

模块study-string 学习操作字符串,打印字符串

spring-boot-hello

1.自定义注解 #com.kfit.myannotiation

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