I want to have a Game entity that has two List of player IDs stored as Longs This is my table: game_player_team game_id player_id team 1 1 H 1 2 H 1 3 A 1 4 A And this is how far I got modeling the Game entity I can’t work out how to get only the player_id’s for the
Tag: java
Getting geographical location of captured image – Android java
I’m new to android developement and I’m supposed to use Java as the programming language. I have an app where I’m supposed to be able to capture images and the geographical location of the captured images and display these details. I am displaying the image in an imageView. I have a text fil…
Should Spring Boot Data JPA automatically create EntityManagerFactory bean?
Should Spring Boot Data JPA automatically create EntityManagerFactory bean? I have added a table using Liquibase called Fred to my code, and now I wish to add JPA support for this. Upon adding: I get I understood that this bean should be created by spring. Can anyone explain when spring creates this bean for …
How to test public method in Application Module in Oracle ADF?
I am working on a project that is based on the Oracle ADF framework. We have an AM (application module) called TestAM.xml that has interface TestAM.java and implementation class TestAMImpl.java. TestAMImpl.java has a public method with a method signature: String fetchSomething(String id) I want to test/debug …
Is there a way I can bundle a jre in a Launch4j .exe file?
I would like to bundle a jre folder into my generated launch4j .exe file via maven pom.xml (For some reason, I don’t want an installer, just a click to run Java application that has its own embedded jre). Is it possible? I have read through several posts and I don’t get a maven automated one. I do…
How can I correctly implement the methods in my class?
I have a class SimpHisto that takes in an array of generic type SL, and returns the size and the count of a specific element of that array. My code is provided down below. After I tried to run my code using the snippet down below… I get an error saying: Can someone please explain what’s wrong with…
How to determine how many times a character is repeated in a string?
I am having some trouble with writing a method that when prompted with a number returns how many times each value is repeated. For example, if the number 7846597 is entered the method would return: I know this would be most easily done with a loop, but I am not sure how to write the actual code. I also know
How to target all nodes of an ActiveMQ Artemis cluster with Spring’s DefaultMessageListenerContainer
I’ve got an issue connecting to an ActiveMQ Artemis cluster (AMQ from Red Hat in fact) through Spring’s DefaultJmsListenerContainerFactory. DefaultMessageListenerContainer makes use of only one connection, regardless of the number of consumers you specify through the concurrency parameter. The pro…
How can I print an error message if the value is < 250
I have this code where somebody can choose a ppm value and it calculates the fanControl value. What do I have to do that the program prints an error message and stops calculating if the person who chooses the ppm value, chooses something less than 250. Answer I agree with @Federico Your solution will depend o…
How to Call function in custom view in android studio activity
MainActivity.java CustomView.java activity_main.xml when I going to run that code in my device it keep closing. Log cat shows error like this. I use physical device to implement this code. I’m beginner android developer also. I follow different kind of tutorials but I could not be able to solve it.I wan…