Move a bunch of files around, try to get things working

.github/workflows/java.yml

@@ -3,10 +3,11 @@ on:
     branches:
       - master
     paths:
-      - java/*
+      - tt_java/**
 
 jobs:
   push:
+    name: "yolks:java_${{ matrix.tag }}"
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false