I am learning Java and I do not know what makes my code not reading my else-if condition (i == 5) when i’m running the code and try to fail the game by reaching the maximum number of int i which is 5, the second else if statement should appear but it is not working. I just don’t get the
Tag: java
How to configure timezone in Maven so Pitest picks it up
I try to apply Pitest to an older project that relies on timezone settings. Some tests are specifically for daylight-saving issues, when certain days in a year have more or less than 24 hours in local time. I cannot change the code or the tests. These tests fail with Pitest but run fine otherwise. From what I…
Upper bounded wildcard as a Map Value – how to provide a default Value with getOrDefault()
I have the following map Sometimes there is a List and sometimes there is a Set as a value. Now I’d like to get value, but there is a problem, it does not compile. I know I can do something like this: But I want to understand how getOrDefault() method is supposed to work with wild-card generics. Answer …
Unable to specialize method templatization using the subclassing approach
For DynamicMessage I wanted to have a different handling so I tried But it gives the compilation error ‘addMessageToResult(Message, Descriptor, Builder)’ in ‘com.google.cloud.verticals.telco.taap.dataflow.dataingestion.common.parsers.CSVParserDynamicMessage’ clashes with ‘addMess…
Splitting String by column with regex
This is a String I get as input, but I just need every column, starting with the second column, aka: 1 (second row) 2 and 1 (third row) 1 (fifth row) This String has no fixed size in how many lines there could be or how many columns (columns being split by one space). I think this is fairly easy
How to automatically update ListView with custom adapter when item is deleted from database
I created a ListView for which I implemented a custom adapter. Additionally I connected it to a SQLite database, which contains the content for the ListView. I have one ListView with several items. Every item consists of a TextView and an ImageView which functions as a button. When the user clicks the ImageVi…
How to initialize a Radio Group/Button on a file that does not correspond to the xml file
I have about 25 buttons, a RadioGroup with 4 radio buttons all in one layout. Which change what the buttons do. To reduce the number of lines and make the code more efficient I am trying to initialize the radiogroup and radioButtons on a different Kotlin file that is not the Main Activity (inside onCreate fun…
recyclerViewAdapter.getItemCount() returning 0 even when it has objects inside?
I’m building a Fragment with a RecyclerView which displays notices retrieved from my database. Everything works fine, except for this line of code: Problem: recyclerViewAdapter.getItemCount() This statement returns 0 even if the RecyclerViewAdapter has elements present. The full scenario is whenever the…
Scala Sealed trait def to val (How to set value?)
I’m kinda new to Scala and have been working on a piece of code that looks like this: I’m kinda confused about how to set the branch variable which is defined as a def in the trait. When I debug I’d like to see branch as a property of the class so its be can be called as :SomeBank.branch bec…
Works fine in for loop but when do manually, there’s a NullPointerException error
In my program with the for loop, it works perfectly, without errors, but when I remove the for loop and manually increment it because I only want to input once and store in array, there’s a NullPointerException. It looks the same for me, the only difference is it doesn’t loop, but instead incremen…