is that so? -- The parameter list member of the method can be a "class object"

In the "Java Reference Passing" section, here is the following example: public static void tell(Ref1...

From [Javadiscussion group] 2021-03-21 21:12:15 0  0  1081

java - 微信退款，公账号向个人转账SSL验证失败

1.微信公众号向个人转款，代码在本地main方法执行没问题，加载到项目中不执行。没有异常提示。 红圈勾出部分，每次执行到这里就停止。本地main 方法执行时候是没有问题 能够退款成功。

From [Javadiscussion group] 2017-04-18 10:48:52 0  1  1081

java - Partial thread SessionException: Session is closed! when Hibernate adds operation under high concurrency conditions.

Servlet + hibernate will cause org.hibernate.SessionException: Session is closed! in some threads under high c...

From [Javadiscussion group] 2017-06-12 09:22:23 0  2  1080

java - Why do multiple threads access the same resource?

As the title states, multi-threading is essentially a reasonable scheduling and allocation of CPU time slices ...

From [Javadiscussion group] 2017-06-12 09:27:45 0  2  1078

java - linux不同用户使用jps命令查看进程结果不一样

我使用root用户和用户b登陆同一台主机，使用jps命令查看java进程的启动情况，发现不同用户jps命令的运行结果不同，这个是什么原因？进程也分用户？望指点

From [Javadiscussion group] 2017-04-18 10:44:08 0  2  1078

java - SpringMVC 中 WebApplicationInitializer 没有被加载

我在使用 SpringMVC 中的 AbstractAnnotationConfigDispatcherServletInitializer 来实现使用 java 配置 servlet。 我在访问 localhost:8...

From [Javadiscussion group] 2017-04-18 10:28:47 0  1  1078

java.lang.OutOfMemoryError: unable to create new native thread

程序总是在两三天就报一次内存泄漏的异常，不知道是什么原因引起的，因为项目中有一个地方冲到队列，在队列中创建了很多的线程不知道是不是这个引起了。。。 {代码...}

From [Javadiscussion group] 2017-04-17 17:50:04 0  3  1077

java - @Component重新给bean命名后，为什么@Resource找不到？

CompactDisc有多个实现类，我想要注入其中的一个 {代码...} 用默认的bean可以 但是我把bean id改成其他，比如 {代码...} 怎么就找不到了？ 3月10号更新，今天又可以了，真是奇怪，还是没找到出...

From [Javadiscussion group] 2017-04-18 10:49:10 0  2  1076

java - Image verification code implementation principle

**Test website: http://con.monyun.cn:9960/acc... There is a verification code on this page. The url of this ve...

From [Javadiscussion group] 2017-05-27 17:41:18 0  4  1074

Garbage Collection - How to manually collect objects in java

Let’s start with the code. My goal is to make data disappear completely {code...} I know Java’s garbage collec...

From [Javadiscussion group] 2017-05-17 10:05:31 0  5  1074

JAVA, how to add 100,000 Int values ​​more efficiently

How to add 100,000 int values ​​more efficiently? I was sorting out the interview questions today and saw this...

From [Javadiscussion group] 2017-05-17 10:02:50 0  2  1074

怎么开发windows桌面程序?

用java和c#这两个语言开发桌面程序，最先进的技术分别是什么？我学过android开发，和android开发风格差不多的(就是用xml做布局)的java桌面开发技术是什么？c#桌面开发技术是什么？谢谢大神们

From [Javadiscussion group] 2016-11-12 10:26:08 0  5  1074

How to get the time of last week's Monday and Sunday using LocalDate in JAVA

As in the title, for example, today is 2017.6.21. How do I get the Monday of last week? 2017-06-12

From [Javadiscussion group] 2017-06-23 09:13:25 0  4  1073

java - IDEA How to pop up open implementation through CTRL + left mouse button?

IDEA how to pop up open implementation through CTRL + left mouse button

From [Javadiscussion group] 2017-06-12 09:26:43 0  2  1073

java - Senior masters, please give me some methods or learning experience for learning source code.

Now most technical teams are required to see the source code of the basic framework and understand the princip...

From [Javadiscussion group] 2017-06-30 09:52:33 0  4  1072