setting up GitHub actions

.github/workflows/check.yml

@@ -0,0 +1,22 @@
+name: Build and Test
+
+on: [push]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        java: [ '11', '17' ]
+    name: Java ${{ matrix.Java }} BuildAndTest
+
+    steps:
+    - uses: actions/checkout@v1
+    - name: Setup java
+      uses: actions/setup-java@v3
+      with:
+        distribution: 'adopt'
+        java-version: ${{ matrix.java }}
+    - name: Test
+      run: ./gradlew check