I'm having this error java.lang.NullPointerException: Attempt to invoke interface method 'int java.util.List.size()' on a null object reference
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What is a NullPointerException, and how do I fix it?
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How to initialize List object in Java?
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Error : Type could not be marshaled because the length of an embedded array instance does not match the declared length in the layout
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Compiler warning: null reference exception
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System.QueryException: List has more than 1 row for assignment to SObject
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new ArrayList() failing in Java
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System.NullPointerException: Attempt to de-reference a null object:
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Caught Throwable or Exception is null
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NullPointerException when calling service in onResume
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NullPointerException when working with arrays
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Keep getting this error: System.QueryException: List has no rows for assignment to SObject
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Calling class method through NULL class pointer
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System.NullPointerException: Attempt to de-reference a null object ,sravn
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Nullpointerexception while setting a bean
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Avoiding NullPointerException in Java
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How come invoking a (static) method on a null reference doesn't throw NullPointerException?
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java: (String[])List.toArray() gives ClassCastException