Skip to content

Set Android Custom Font on Tab Title

I am trying to set a custom font to the titles (“Tab Item 1”, “Tab Item 2”, “Tab Item 3”) from the code below. I am really new to Android Studio and Java and am just learning by doing and kind materials that has been over the internet. Assuming I have a font named “ab…

Java slice array as in python

I have an byte array in Java and need to get parts of it. I wanted to work with Java arrays in the same way as I work with Python list, using slices. There is something similar to this in Java? Thank you in advance. Answer You can use Arrays’ (https://docs.oracle.com/en/java/javase/14/docs/api/java.base…

Java Vowel count using Collection

I am asked to write a code to count and display vowels in a String using Sets. Any suggestions as to why the code below gives wrong output? Switch seemed like the obvious approach, I also tried with an if-statemen, but neither work properly. Answer I’m pretty sure it’s partially because you’…

I have an enum, but i dont know how can I use correctly?

I searched so long for what enums are useful. In my Opinion there are Variables with many keywords. So have to programming a program what Is used to manage a bank. My Enum has 2 Variables EINZAHLUNG(Deposit) and AUSZAHLUNG(Payout). So I have an class Menue which is provide to call the Methods. The menue would…

Parse list of beans with snakeyaml

Is it possible to parse with snakeyaml the following content and obtain a List<Radio> (where Radio is the appropriate java bean) ? new Yaml().load(…); returns a List<HashMap>, but I’d like to get a List<Radio> instead. Answer The only way I know is to use a top object to handle t…

Java invert a map

I need to invert an original map. which type is <Integer, String>, like {1 = A, 2 = A, 3 = B….}. I want to create a new map which is String to ArrayList because if 1 = A, and 2 = A, than I want to have something like this: A = [1， 2]. So how can I do