Questions tagged as 'nullpointerexception'

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Exception in thread "main" java.lang.NullPointerException after first run

exercicio02.CaracterSort.buscarJogador(CaracterSort.java:116) at exercicio02.CaracterSort.cadastro(CaracterSort.java:110) at exercicio02.CaracterSort.main(CaracterSort.java:39) When I run the code the first time it runs beauty. But in...
asked by 19.09.2015 / 22:05
1
answer

NullPointerException on a non-null object [closed]

I'm doing a small project for graduation, in it I want to create a new character that has name , sex and class , I'm testing the program and is giving a very strange error. Here is the code: // classe de teste System.out.println("Digite...
asked by 15.06.2015 / 13:36
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How to identify where failures occur that Google Analytics returns me?

I'm getting the following glitches from Google Analytics: NullPointerException (@ViewGroup:dispatchDraw:2879) {main} NullPointerException (@ViewGroup:dispatchDraw:2859) {main} But I do not know how I identify where these faults are occurrin...
asked by 05.12.2014 / 02:25
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Pointer error in a table-fill method

Apparently it's supposed to be right, but when I run it, it leaves the following errors: Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException at bibl.PesquisaSimpl.preencheTabela(PesquisaSimpl.java:188) at bibl.Pesquis...
asked by 20.11.2014 / 19:32
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Attempt to invoke virtual method android.database.sqlite.SQLiteDatabase.rawQuery (java.lang.String, java.lang.String []) 'null object reference

Ok, I'm new to Android and I'm developing a somewhat complex application for a course completion. At the moment the problem is to display a listview with information from a local database (SQLite). I'd be calmer if it were not for the fact that...
asked by 27.02.2017 / 23:15
3
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Array problem in Java

I'm trying to create a contacts calendar in java, I'm using some classes that were requested in the exercise. the main class: import java.util.Scanner; public class Lista15Q03 { public static void main(String[] args) {...
asked by 03.01.2017 / 16:59
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NullPointerException at java.io.File.init (Unknown Source) in Java with Lucene

I'm getting the following error in my Java code Exception in thread "Thread-2" java.lang.NullPointerException at java.io.File.<init>(Unknown Source) at Indexador.indexaArquivosDoDiretorio(Indexador.java:42) at Princ$1$1.run(P...
asked by 28.03.2014 / 13:09
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Error in java code read GSON: java.lang.NullPointerException

I'm trying to read this file but when I run this error: Exception in thread "main" java.lang.NullPointerException at principa.Main.main(Main.java:61) but I do not know what is null public class Main { public static void main(Stri...
asked by 04.12.2017 / 02:32
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I can not compile my program because, I have an error that says "NullPointerException" [duplicate]

I'm trying to build a Java project based on the concepts of object-oriented programming. However the compiler (ECLIPSE) has an error in the line of my liigar function. It says it has a NullPointerException error. Searching the internet I sa...
asked by 29.09.2018 / 18:07
2
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java.lang.nullPointerException Error

I'm doing a Java exercise and it requires me to create a note of the product sold, containing random numbers plus the first three letters of the customer as product code, but when I try to generate the winning note this error . public Compr...
asked by 12.04.2014 / 02:19