diff --git a/.github/workflows/jenkinsBuild.yml b/.github/workflows/jenkinsBuild.yml
new file mode 100644
index 0000000..13e3e67
--- /dev/null
+++ b/.github/workflows/jenkinsBuild.yml
@@ -0,0 +1,28 @@
+# This workflow will build a Java project with Maven, and cache/restore any dependencies to improve the workflow execution time
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-java-with-maven
+
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+
+name: trigger jenkins job
+on:
+  pull_request:
+    branches: [ "main" ]
+    types: [closed]
+
+jobs:
+ 
+  build:
+    if: github.event.pull_request.merged == true
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+    - name: trigger single Job
+      uses: appleboy/jenkins-action@master
+      with:
+        url: ${{ secrets.JENKINS_SERVER }}
+        user: "camlump"
+        token: ${{ secrets.JENKINS_PAT }}
+        job: "demo-pipeline"
diff --git a/my-app/Jenkinsfile b/my-app/Jenkinsfile
index 6ebdccf..0749b16 100644
--- a/my-app/Jenkinsfile
+++ b/my-app/Jenkinsfile
@@ -3,7 +3,7 @@ pipeline {
 
     tools {
         maven "MAVEN"
-        jdk "JDK"
+        jdk "JDK11"
     }
 
     stages {
@@ -16,7 +16,7 @@ pipeline {
         stage('Build') {
             steps {
                 dir("/var/lib/jenkins/workspace/New_demo/my-app/") {
-                sh 'mvn -B -DskipTests clean package'
+                bat 'mvn -B -DskipTests clean package'
                 }
             
             }
diff --git a/my-app/src/main/java/com/mycompany/app/Student.java b/my-app/src/main/java/com/mycompany/app/Student.java
new file mode 100644
index 0000000..ed2e0a6
--- /dev/null
+++ b/my-app/src/main/java/com/mycompany/app/Student.java
@@ -0,0 +1,15 @@
+package com.mycompany.app;
+
+import java.time.LocalDate;
+
+public class Student {
+
+    private String name;
+    private int age;
+
+    private String major;
+
+    private String birthdate;
+
+    private String hometown;
+}
diff --git a/my-app/src/main/java/com/mycompany/app/Test.java b/my-app/src/main/java/com/mycompany/app/Test.java
new file mode 100644
index 0000000..43a6520
--- /dev/null
+++ b/my-app/src/main/java/com/mycompany/app/Test.java
@@ -0,0 +1,4 @@
+package com.mycompany.app;
+
+public class Test {
+}
diff --git a/my-app/src/main/java/com/mycompany/app/Test2.java b/my-app/src/main/java/com/mycompany/app/Test2.java
new file mode 100644
index 0000000..0a978a3
--- /dev/null
+++ b/my-app/src/main/java/com/mycompany/app/Test2.java
@@ -0,0 +1,8 @@
+package com.mycompany.app;
+
+import org.w3c.dom.ls.LSOutput;
+
+public class Test2 {
+
+
+}
diff --git a/my-app/src/main/java/com/mycompany/app/test3.java b/my-app/src/main/java/com/mycompany/app/test3.java
new file mode 100644
index 0000000..500bd29
--- /dev/null
+++ b/my-app/src/main/java/com/mycompany/app/test3.java
@@ -0,0 +1,4 @@
+package com.mycompany.app;
+
+public class test3 {
+}