nullpointerexception

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NullPointerException in Thread's run method

I would really appreciate help with my program. It is some sort of chat server with multiple clients.[详细]

2023-04-10 03:10 分类：问答
Passing an object[] to parameter object[] is not working in Java

I know this question is similar to passing a object[] to a params object[] not working however I am having a similar problem in Java.[详细]

2023-04-10 00:16 分类：问答
Java Code - NullPointerException

I\'m making a game and it is giving me a NullPointerException which I believe means the variable or what I\'m trying to do is not returning a value? I\'m using the code below:[详细]

2023-04-09 21:53 分类：问答
How to catch the exception caused by an absence of an object in Java?

I have a very simp开发者_Go百科le method: public int getScore() { return game.gameWindow.userBestScore;[详细]

2023-04-09 07:57 分类：问答
NullPointerException when going back through activities

I\'m debugging my application, and getting a \'strange\' exception. It\'s not consistent and therefore really hard to solve. I\'ll post some code below.[详细]

2023-04-09 06:11 分类：问答
Unable to Add custom view to Android Action bar,why?

I am trying to add my custom view into Action bar. final View addView=getLayoutInflater().inflate(R.layout.home_actionbar_buttons, null);[详细]

2023-04-09 06:10 分类：问答
NullPointerException when trying to play a sound with MediaPlayer

So I have a simple soundboard type application that operates via a ListView. Tap an item, it plays the sound. I have a public static int[] named soundResourceList that has entries such as R.raw.foo, R[详细]

2023-04-09 05:44 分类：问答
Clojure NullPointerException error

I\'m new in clojure and try to write simple function which get list of numbers and filter only even numbers.[详细]

2023-04-09 05:17 分类：问答
I've received my first Exception. Now what do I do?

I\'m new to all this crazy Android/Java programming stuff. I have an app that (somehow) I managed开发者_JS百科 to figure out how to add in-app billing items to. I\'m pretty sure the error is related t[详细]

2023-04-08 16:09 分类：问答
android random NullPointerException on EditText

For a Settings class and associated XML page, I receive NullPointerExeceptions about 50% of the time it is accessed. A typical session attempts to Load the current settings shortly after startup. The[详细]

2023-04-07 02:57 分类：问答