This is a very good question.
Why should you use Java for Selenium test automation?
Why not Javascript?
Why not Python?
Or C#?
There are multiple directions that this can be answered from:
from the Selenium side
from the market demand
from the language side
Let’s focus on the last one.
What is so special about Java?
There are many things that recommend it as follows:
THE ECOSYSTEM IS MATURE
WRITE ONCE, RUN EVERYWHERE
BACKWARD COMPATIBILITY
JAVA STRONG TYPE SYSTEM
FASTER RELEASE CYCLE — CONSTANT IMPROVEMENTS
BEST IDES
GRAALVM NATIVE IMAGE SUPPORT
OPEN SOURCE LIBRARIES AND FRAMEWORKS.
MULTITHREADING
JAVA’S OBJECT-ORIENTED NATURE
MEMORY MANAGEMENT AND GARBAGE COLLECTION
OBSERVABILITY AND MONITORING
FUNCTIONAL PROGRAMMING SUPPORT
JAVA’S RICH DOCUMENTATION
BUILD TOOLS AND DEPENDENCY MANAGEMENT
ROBUST TESTING FEATURES
LARGE COMMUNITY
JAVA ANNOTATIONS SUPPORT
SECURITY FEATURES
RICH API SET
JAVA’S PERFORMANCE
STRUCTURED CONCURRENCY
VIRTUAL THREADS
PATTERN MATCHING FOR SWITCH
STRING TEMPLATES
In case you are wondering why there are not more details for each item …
I only wanted this to be a summary post.
You can read everything about these 25 advantages of Java here.