query: java htmlunit button click doesnt work in for loop return NullPointerException
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 49763
negative_passages.text: Problem with "scopes" of variables in try catch blocks in Java
negative_passages.docid: 87189
negative_passages.text: System.NullPointerException
negative_passages.docid: 135196
negative_passages.text: ArrayIndexOutOfBoundsException when iterating through all the elements of an array
negative_passages.docid: 66284
negative_passages.text: NullPointerException when Creating an Array of objects
negative_passages.docid: 144658
negative_passages.text: System.NullPointerException: Attempt to de-reference a null object ,sravn
negative_passages.docid: 115316
negative_passages.text: How to check whether a Button is clicked by using JavaScript
negative_passages.docid: 55588
negative_passages.text: How do I pass current item to Java method by clicking a hyperlink or button in JSP page?
negative_passages.docid: 130819
negative_passages.text: Nullpointerexception while setting a bean
negative_passages.docid: 5640
negative_passages.text: How to check a string against null in java?
negative_passages.docid: 70532
negative_passages.text: NullReferenceException after POST
negative_passages.docid: 73120
negative_passages.text: Nullpointerexception when trying to send data from activity to class
negative_passages.docid: 81518
negative_passages.text: Find out what variable is throwing a NullPointerException programmatically
negative_passages.docid: 73285
negative_passages.text: Null Pointer Exception in XMl Parsing
negative_passages.docid: 10581
negative_passages.text: Avoiding NullPointerException in Java
negative_passages.docid: 35016
negative_passages.text: java.lang.NullPointerException at org.primefaces.component.datatable.feature.FilterFeature.filter
negative_passages.docid: 141725
negative_passages.text: for loop in Java runs 3 times before taking next input