query: java: Problem on second if condition , NullPointerException
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 66284
negative_passages.text: NullPointerException when Creating an Array of objects
negative_passages.docid: 289
negative_passages.text: What is a NullReferenceException, and how do I fix it?
negative_passages.docid: 72136
negative_passages.text: Why is my use of the ?: conditional operator incorrect?
negative_passages.docid: 137692
negative_passages.text: NullPointerException when working with arrays
negative_passages.docid: 10581
negative_passages.text: Avoiding NullPointerException in Java
negative_passages.docid: 79586
negative_passages.text: System.NullPointerException: Attempt to de-reference a null object
negative_passages.docid: 128142
negative_passages.text: java.lang.NullPointerException at org.apache.jsp.foo_jsp._jspInit(foo_jsp.java:22)
negative_passages.docid: 55274
negative_passages.text: Java: Exception itself is null
negative_passages.docid: 106
negative_passages.text: What is a void pointer and what is a null pointer?
negative_passages.docid: 33103
negative_passages.text: How come invoking a (static) method on a null reference doesn't throw NullPointerException?
negative_passages.docid: 141129
negative_passages.text: InputStream returning NullPointerException (Java)
negative_passages.docid: 97325
negative_passages.text: DialogFragment causing nullpointer crash
negative_passages.docid: 149666
negative_passages.text: Why can't a null-reference exception name the object that has a null reference?
negative_passages.docid: 8283
negative_passages.text: Why does null reference print as "null"
negative_passages.docid: 123797
negative_passages.text: Not equal  != operator on NULL
negative_passages.docid: 140738
negative_passages.text: Does setting Java objects to null do anything anymore?