tags: java Development language intellij idea
The main reason for this problem is the setting of the source:
In our commonly used IDEA, the input stream returned with GetResourceASSTREAM will report an empty pointer abnormality when continuing to use:
java.lang.NullPointerException: inStream parameter is null
Problem solution:


Here we will find that the resource of our resource is not a source, so our method cannot be accessed. So return NULL pointers!
Here we set the Resource to the source, so that you only need to put the resources used in the resource to access it.


After the setting is completed, re -run the program, and the Null pointer is solved abnormally! Intersection

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