How to prevent NullPointerExceptions in Java

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Lombok

Lombok is a widely used library that simplifies Java code. The @NonNull annotation helps enforce non-null parameters, generating appropriate null checks:.

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This code defines a JUnit test case for the getStrings() method of the MyClass class. Then it creates an instance of MyClass, calls the getStrings() method, and asserts that the result is not null using the assertNotNull() method.

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