What is a NullPointerException, and how do I fix it?
What about on Android? On Android, tracking down the immediate cause of an NPE is a bit simpler. The exception message will typically tell you the (compile time) type of the null reference you are using …
Что такое Null Pointer Exception и как его исправить?
Mar 23, 2019 · Что из себя представляет исключение Null Pointer Exception (java.lang.NullPointerException) и почему оно может происходить? Какие методы и средства …
NullPointerException in Java with no StackTrace - Stack Overflow
I've had instances of our Java code catch a NullPointerException, but when I try to log the StackTrace (which basically ends up calling Throwable.printStackTrace() ), all I get is: java.lang.
Mockito - NullpointerException when stubbing Method - Stack Overflow
Oct 14, 2015 · 30 For me the reason I was getting NPE is that I was using Mockito.any() when mocking primitives. I found that by switching to using the correct variant from mockito gets rid of the errors.
The best way to handle or avoid NPE in java-8? - Stack Overflow
Jul 10, 2016 · The best way to handle or avoid NPE in java-8? Asked 9 years, 5 months ago Modified 9 years, 5 months ago Viewed 2k times
NullPointerException in Collectors.toMap with null entry values
It is not possible with the static methods of Collectors. The javadoc of toMap explains that toMap is based on Map.merge: @param mergeFunction a merge function, used to resolve collisions between …
Is it okay to throw NullPointerException programmatically?
Jul 24, 2010 · In the case of a null argument IllegalArgumentException might be the more appropriate exception to throw. NullPointerException is meant to indicate that an attempt was made to perform …
kotlin - NPE when passing null in request body when variable is not ...
Oct 24, 2023 · NPE when passing null in request body when variable is not nullable Asked 2 years, 1 month ago Modified 2 years, 1 month ago Viewed 878 times
Why should one use Objects.requireNonNull ()? - Stack Overflow
Aug 11, 2017 · NPE (Null Pointer Exception) is thrown when you access a member of an object which is null at a later point. Objects.requireNonNull() backtracks from where the value was accessed to …
When is it OK to catch NullPointerException? - Stack Overflow
Usually there is no such reason. Usually it's good either to check if variable is null or catch NPE and trow more appropriate reason. For example if a method getCar() returned null you may catch NPE on …