query: im getting this error "Exception in thread "main" java.lang.NullPointerException" even thought there are no errors in the code
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 35129
negative_passages.text: Why does String.valueOf(null) throw a NullPointerException?
negative_passages.docid: 45196
negative_passages.text: Calling class method through NULL class pointer
negative_passages.docid: 129085
negative_passages.text: What is "String args[]"? parameter in main method Java
negative_passages.docid: 40818
negative_passages.text: What is an IndexOutOfRangeException / ArgumentOutOfRangeException and how do I fix it?
negative_passages.docid: 50216
negative_passages.text: Troubleshooting "program does not contain a static 'Main' method" when it clearly does...?
negative_passages.docid: 23964
negative_passages.text: Why does Java have a "NullPointerException" when there are no pointers in Java?
negative_passages.docid: 125946
negative_passages.text: ' Exception in Application start method, java.lang.reflect.InvocationTargetException ' while reading and displaying from database
negative_passages.docid: 73120
negative_passages.text: Nullpointerexception when trying to send data from activity to class
negative_passages.docid: 39810
negative_passages.text: What is "string[] args" in Main class for?
negative_passages.docid: 69771
negative_passages.text: NullPointerException when setting attribute?
negative_passages.docid: 3984
negative_passages.text: How to fix 'android.os.NetworkOnMainThreadException'?
negative_passages.docid: 8283
negative_passages.text: Why does null reference print as "null"
negative_passages.docid: 68787
negative_passages.text: Why The constructor ArrayAdapter(new View.OnKeyListener(){}, int, String[]) is undefined
negative_passages.docid: 77648
negative_passages.text: How to get the result of OnPostExecute() to main activity because AsyncTask is a separate class?
negative_passages.docid: 42604
negative_passages.text: Difference between java.lang.RuntimeException and java.lang.Exception
negative_passages.docid: 101942
negative_passages.text: Java program does not run and throws an error about classes