query: Attempt to invoke virtual method 'void androidx.recyclerview.widget.RecyclerView.setVisibility(int)' on a null object reference
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 48235
negative_passages.text: Setting Objects to Null/Nothing after use in .NET
negative_passages.docid: 119799
negative_passages.text: Android: Issue during Arraylist declaration
negative_passages.docid: 55274
negative_passages.text: Java: Exception itself is null
negative_passages.docid: 98080
negative_passages.text: Android: Cannot invoke toString() on the primitive type int
negative_passages.docid: 108336
negative_passages.text: Nullable Object must have a value #2
negative_passages.docid: 150853
negative_passages.text: An object reference is required to access non-static member
negative_passages.docid: 144658
negative_passages.text: System.NullPointerException: Attempt to de-reference a null object ,sravn
negative_passages.docid: 128142
negative_passages.text: java.lang.NullPointerException at org.apache.jsp.foo_jsp._jspInit(foo_jsp.java:22)
negative_passages.docid: 20020
negative_passages.text: NullPointerException accessing views in onCreate()
negative_passages.docid: 64200
negative_passages.text: Can Java's NullPointerException be changed to report on which variable was null?
negative_passages.docid: 101146
negative_passages.text: Why can't I write Nullable>?
negative_passages.docid: 128903
negative_passages.text: ExecuteScalar throws NullReferenceException
negative_passages.docid: 4783
negative_passages.text: Android: View.setID(int id) programmatically - how to avoid ID conflicts?
negative_passages.docid: 138823
negative_passages.text: Why cast null to Object?
negative_passages.docid: 35590
negative_passages.text: How to fix NullPointerException in Java?
negative_passages.docid: 113976
negative_passages.text: Methods visibility in interface