that’s my selector for list:(item_selector.xml) that’s my row of list(row_item.xml) I want to change android:state_pressed=”true” android:drawable=”@color/orange” to other color dynamically. My goal, to make pressed color for each row different. Is it possible to do? Answer…
Basic Java Hangman
I am just starting to learn Java as my first programming language. In class we were assigned to make a basic Hangman game with the use of a while and for loops. What I have so far When the user inputs the first guess it does recognize that that characters that he/she guessed was corrected but just continues o…
Generic error messages when compiling basic program through mac terminal [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. This question does not appear to be about programming within the scope defined in the help center. Closed 11 months ago. Improve this question I am using linux and emacs, I got a program working fine on one c…
Mac OS X and multiple Java versions
How can I install an additional java on MacOS? I installed jdk8 and that works fine. But now I need a jdk7 installation for development purposes. When trying to install the old version via DMG file, i get a warning, that there is already a newer version of java installed and the installer quits. How to instal…
Transposing a matrix from a 2D array
I’m self teaching myself some java and I’m stuck on creating a 2D array that initializes it with random values and then creates the transpose of the array. An example output is: Original matrix Transposed matrix ^ Should be the final output. Some help with the code would appreciated! I would like …
Rmiregistry vs LDAP
I have recently discovered the Java RMI API and I am using the Rmiregistry to store and get the remote objects. Then, I saw that we can use LDAP to do this task. I was interseted by this approach but …
How do I put something on an FX thread?
I’m new to JavaFX (trying to move from Swing), and am trying to make a very basic window first. However, I keep getting the following runtime exception: However, looking at the JFXPanel source code, the constructor calls its initFX() method, which initializes the FX application thread. Why, then, am I g…
Login dialog window won’t dispose completely
I’ve got a dialog window for logging in a user to a main program in Java. I’ve recently discovered, however, that if the user clicks the “Cancel” button or the window’s native Close button, the program still runs, even if the login window itself has been disposed of. I have to fo…
Not able to dynamically set the setVisibility() parameter
I am trying to set the visibility for a button as follows: But I am getting the error: while calling I don’t know how to get around this. I understand that it’s expecting a given set of values but all I know is to pass an int to it. What can be done here? Answer When you know what you’re
Immutable @ConfigurationProperties
Is it possible to have immutable (final) fields with Spring Boot’s @ConfigurationProperties annotation? Example below Approaches I’ve tried so far: Creating a @Bean of the MyProps class with two constructors Providing two constructors: empty and with neededProperty argument The bean is created wit…