#BAEL-5948:add main source code

spring-boot-modules/spring-boot-libraries-3/src/main/java/com/baeldung/camunda/CamundaApplication.java

@@ -0,0 +1,13 @@
+package com.baeldung.camunda;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class CamundaApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(CamundaApplication.class, args);
+	}
+
+}

spring-boot-modules/spring-boot-libraries-3/src/main/java/com/baeldung/camunda/task/CalculateInterestService.java

@@ -0,0 +1,19 @@
+package com.baeldung.camunda.task;
+
+import org.camunda.bpm.engine.delegate.DelegateExecution;
+import org.camunda.bpm.engine.delegate.JavaDelegate;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Component;
+
+@Component
+public class CalculateInterestService implements JavaDelegate {
+
+  private static final Logger LOGGER = LoggerFactory.getLogger(CalculateInterestService.class);
+
+  @Override
+  public void execute(DelegateExecution execution) {
+    LOGGER.info("calculating interest of the loan");
+  }
+
+}

spring-boot-modules/spring-boot-libraries-3/src/main/resources/application.yaml

@@ -0,0 +1,5 @@
+spring.datasource.url: jdbc:h2:file:./camunda-h2-database
+
+camunda.bpm.admin-user:
+  id: demo
+  password: demo