Questions tagged as 'java'

Tagged questions
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Make connection in oracle 11c

I'm trying to connect to oracle 11c and the connection is not made. Give the error:    ES Error: Got one from a read call I'm testing the query in a servlet, I'm still not looking for the form. Let's see: package connection; import ja...
asked by 15.11.2016 / 15:54
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How popular is a Spinner from data returned from a URL?

I have the following code that works fine, but with an example of array : @Override protected Boolean doInBackground(String...urls) { try { Log.e("****** MESSAGE ******", " Json Object = " + JSONParser.getJSONFromUrl(URL).get("R...
asked by 31.01.2017 / 03:34
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How to identify the click on a drawableLeft

I have the following EditText : <EditText android:id="@+id/mPasswordTxt" android:layout_width="match_parent" android:layout_height="wrap_content" android:layo...
asked by 27.01.2017 / 17:58
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I have a list and how do I display all the elements?

This method only returns me to the last position in the list, the others it does not show. How do I display all the same? Agente agente = new Agente(); List<Agente> lista = getA(); for(Agente a: lista){ System.out.pr...
asked by 30.01.2017 / 00:05
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How to create a shortcut to open a JMenu?

Talk, people know how to create a keyboard shortcuts method to open a JMenu . For example, click F1 or CTRL + "something" and open a screen.     
asked by 31.10.2016 / 00:43
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Button locked in while

My program has a loop, created with the command while . I start the loop with the start button. However, I can not do anything else in the program while while is running. I wanted to put a button called Stop that pressed on it...
asked by 05.05.2017 / 04:14
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Why of Null Pointer Exception in simple agenda program in Java, and how to configure the function that returns an array of phones

Good evening! I'm having a problem with a college work, which is seemingly simple (though I'm very noob in Java, and I do not know what to do!). I'd like you to help me, I'm getting Null Pointer Exception when calling menu number 3 after crea...
asked by 02.05.2017 / 06:21
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JSP Project with Database

I'm working on a JSP project with my driver's database not being recognized. I'm using the following method to connect to the bank. public ConnectionDB(){ try { Class.forName("com.mysql.jdbc.Driver"); String url = "jdbc...
asked by 15.11.2016 / 01:02
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Share my result

Good afternoon, I created a football referee application ... and I searched the internet how to share the result I found this way (a member here of stackoverflow in Portuguese) String message = "Text I want to share."; Intent share = new I...
asked by 12.11.2016 / 17:18
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Scanner.nextLine does not get information after Scanner.nextInt [duplicate]

I'm having trouble with this code, I'm starting programming, this is just an activity for practice. I do not understand why when executing the code the field 'Campus' does not allow the input of the information. Already on the 'Registration' f...
asked by 12.11.2016 / 01:17