[JAVA-958] Standardize packages in spring-batch module

spring-batch/src/main/java/com/baeldung/batch/partitioner/SpringbatchPartitionerApp.java

@@ -0,0 +1,32 @@
+package com.baeldung.batch.partitioner;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.batch.core.Job;
+import org.springframework.batch.core.JobExecution;
+import org.springframework.batch.core.JobParameters;
+import org.springframework.batch.core.launch.JobLauncher;
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+
+public class SpringbatchPartitionerApp {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(SpringbatchPartitionerApp.class);
+
+    public static void main(final String[] args) {
+        // Spring Java config
+        final AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
+        context.register(SpringbatchPartitionConfig.class);
+        context.refresh();
+
+        final JobLauncher jobLauncher = (JobLauncher) context.getBean("jobLauncher");
+        final Job job = (Job) context.getBean("partitionerJob");
+        LOGGER.info("Starting the batch job");
+        try {
+            final JobExecution execution = jobLauncher.run(job, new JobParameters());
+            LOGGER.info("Job Status : {}", execution.getStatus());
+        } catch (final Exception e) {
+            e.printStackTrace();
+            LOGGER.error("Job failed {}", e.getMessage());
+        }
+    }
+}