tags: Wrong notes java
The code is not standardized, work two lines of tears!
Yesterday I wanted to use getResourceAsStream to get the content of the json file in the resources, and found that it was always null
Finally, I changed the uppercase of the first letter of the file name to lowercase to get

I don’t know if it’s an irregular problem.
introduction: Need to get a directory from HDFS: Total 3000 parts in the directory, randomly select file part and get some data from each part as raw data. path For the folder address,totalFor random ...
Use generics to make a tool and add it as a static method. When using it, you can call the method directly by the class name and pass in the required parameters When using it, you can pass in paramete...
First, explain the background. On the SSM framework, you need to make a document download tool; The easiest way is definitely that the server obtains the file path by request, then reads it, and then ...
To solve this problem is very simple: windows version press the shortcut key alt + shift + ctrl + s mac:command + ; Enter the module configuration, select the module you are using, click sources, crea...
GetresourceASSTREAM in Java Return to NULL problem processing: The main reason for this problem is the setting of the source: In our commonly used IDEA, the input stream returned with GetResourceASS...
background: I have written a springboot+testng project. The project needs to be run through the mvn test command, but the getResourceAsStream method has been reporting errors and cannot run At that ti...
When connecting to the database, I reported this 500, thinking that there was a problem with the server deployment, and then the java code soon created a new Test test connection database. I found tha...
I. Introduction In the JDK, we provide the following methods to obtain resources under the classpath: Which ResourceUtils.class.getResource (name), ResourceUtils.class.g...
directory structure src:reflect/ReflectTest2.java reflect/resource/config.properties The class's getResourceAsStream is relative to the class loader directory path of the current class. The current pa...