Articles in the category of Java技术

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Spring Boot打包报错:Unable to find a single main class from the following candidates [***]

Spring Boot打包报错Unable to find a single main class from the following candidat...

  • Szx
  • October 25, 2021
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    • JAVA8日期时间LocalDate,LocalTime,LocalDateTime类使用

    新日期类LocalDate,LocalTime,LocalDateTimeJava 8新增了LocalDate和LocalTime接口，方法更加实用。ja...

  • Szx
  • August 24, 2021
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    • synchronized 与 Lock 的区别

    Lock是显式锁（手动开启和关闭锁，别忘记关闭锁），synchronized是隐式锁，出了作用域自动释放Lock只有代码块锁，synchronized有代...

  • Szx
  • August 16, 2021
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    • java中的Lock使用案例

    LockTest类import java.util.concurrent.locks.ReentrantLock; /** * <p> ...

  • Szx
  • August 15, 2021
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    • ThreadLocal 内存泄露问题

    ThreadLocalMap 中使⽤的 key 为 ThreadLocal 的弱引⽤,⽽ value 是强引⽤。所以，如果ThreadLocal 没有被外...

  • Szx
  • June 24, 2021
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    • 新版XXL-JOB获取参数和返回自定义日志示例

    新版的任务核心类 “IJobHandler” 的 “execute” 方法取消出入参设计。改为通过 “XxlJobHelper.getJobParam” ...

  • Szx
  • June 21, 2021
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    • Spring Boot整合MongoDb报错:log4j-slf4j-impl cannot be present with log4j-to-slf4j

    报错信息SLF4J: Class path contains multiple SLF4J bindings. SLF4J: Found binding ...

  • Szx
  • April 26, 2021
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