Error:Gradle: Execution failed for task ':core:compileJava'. > Compilation failed

Question

I was about to make a simple game just for educational purposes but I got a weird Gradle error when I'm trying to launch the game.

My source code:

Build errors

I of course Googled the error but because my lack of experience I didn't found anything that solved my problem. Thanks in Advance

Naomi,

Answer 1

I think problem is with package name com.mlgfappy.420 , numbers are possible causing problem. Create new project without numbers in package and try same code.