Modify CI workflow for JDK 17 and add compile/run steps

Updated Java CI workflow to use JDK 17 and added steps to compile and run a Java program.

Author: Wadan3

.github/workflows/ant.yml

@@ -1,25 +1,26 @@
-# This workflow will build a Java project with Ant
-# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-java-with-ant
-
 name: Java CI
 
 on:
   push:
-    branches: [ "main" ]
   pull_request:
-    branches: [ "main" ]
+  workflow_dispatch:
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4
-    - name: Set up JDK 11
-      uses: actions/setup-java@v4
-      with:
-        java-version: '11'
-        distribution: 'temurin'
-    - name: Build with Ant
-      run: ant -noinput -buildfile build.xml
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Java
+        uses: actions/setup-java@v4
+        with:
+          distribution: "temurin"
+          java-version: "17"
+
+      - name: Compile Java file
+        run: javac Lib.java
+
+      - name: Run Java program
+        run: echo "6" | java Lib