fixed build

spring-boot/dependency-injection/src/main/java/com/example/ExampleApplication.java

@@ -0,0 +1,15 @@
+package com.example;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.ApplicationContext;
+
+
+@SpringBootApplication(scanBasePackages = { "com.example.dependency" })
+public class ExampleApplication {
+
+	public static void main(String[] args) {
+		ApplicationContext context = SpringApplication.run(ExampleApplication.class, args);
+	}
+
+}