I’m trying to test the ads in my app, I’m using the following test ads unit : I always get : No ad config I’ve added the following line to my app-ads.txt AdMob SDK : Response Info : NOTE : The real ads are working fine, but the test one no. Answer Solution is updating the AdMob SDK to 20.5.0
Tag: java
How to parse TOML document with Java
In my Java app I get a TOML document from REST service response as String and I look how to parse it and convert to Java objects. Ideally I’d like to use some existing mapper library for deserialization, something like Jackson or Gson for JSON objects. Are there any options in Java ecosystem for that? A…
Cant add to arraylist inside actionevent Buttonclicked
Im kind of new to programming in java but here im trying to figure out how to add the value of a button clicked in ActionEvent. I even changed the actionlistener to MouseListener etc but still not working. It only displays the current button clicked but i would like to add every button clicked into an arrayli…
Put a file Json (array) into a zip file [Java]
Hello I’m new to java and my english is not good as well lmao I need to put a file json (it’s an array json) in a file zip trought java but i tried multiple solution and doesn’t work 🙁 this is my code: any help ? regards Answer You are creating a ZipEntry but you are not adding the
HashMap element is removed when another HashMap name remove an element
appearList is a HashMap with fixed data. I do: Then, when I remove an element from randomPersonList, that element on appearList is also removed unexpectedly. I expect to keep appearList as original. Can anyone tell me why and how to correct my code? Answer makes randomPersonList the reference to the same obje…
Count only currently active threads
I have a list of Thread and I want to count only currently active threads, but method isAlive() don’t work. How correctly is this or exist other method check for currently active threads. Answer tl;dr Compare the state of the thread: Here is an example making a stream from your list of Thread objects. O…
Big Decimal array not sorting 0 and 000.000
I was solving a java HackerRank problem in which I had to sort an array consisting decimal numbers using BigDecimal class in descending order. The solution works fine except for one case in which 0 and 000.000 comes. Now as they are equal, the problem tells us not keep them in the same order of their occurren…
“Exception in thread “AWT-EventQueue-0″ java.lang.NullPointerException” occurs while adding images using ImageIcon
Firstly i applied panel on whole background & then created a label to set an image here. JFrame picture I saw that there’s so many questions & answers related to null pointer exception but no one worked for me. the ImageIcon is not being able to fetch the image. I even tried by creating a folder…
The request is not being executed in rest controller test
I have a test method for one of the mappings where I provide all required data for the test Here is the controller itself But after running it I get this exception about failing to create Pageble object Answer The problem was solve by adding extra configuration for mockMvc
Shift image in OpenCV
I want to shift an image upward of 10 pixels without changing the size of the image. I know there was a very similar question about this but there is no information on the web on how to do it using Java. OpenCV Documentation also doesn’t say anything about this. Original image: Shifted image should look…