BAEL-3835 (#8901)

* BAEL-3835: Inject a value to a static field

* BAEL-3835: integration of code into the src directory

Co-authored-by: Georgios Charitakis <georgios.charitakis@prodyna.com>

spring-core-3/src/main/java/com/baeldung/staticvalue/injection/Application.java

@@ -0,0 +1,16 @@
+package com.baeldung.staticvalue.injection;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.PropertySource;
+
+@SpringBootApplication
+@PropertySource("/application.properties")
+
+public class Application {
+
+	public static void main(String[] args) {
+		SpringApplication.run(Application.class, args);
+	}
+
+}

spring-core-3/src/main/java/com/baeldung/staticvalue/injection/PropertyController.java

@@ -0,0 +1,30 @@
+package com.baeldung.staticvalue.injection;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.Arrays;
+import java.util.List;
+
+@RestController
+public class PropertyController {
+
+    @Value("${name}")
+    private String name;
+
+    @Value("${name}")
+    private static String NAME_NULL;
+
+    private static String NAME_STATIC;
+
+    @Value("${name}")
+    public void setNameStatic(String name){
+        PropertyController.NAME_STATIC = name;
+    }
+
+    @GetMapping("/properties")
+    public List<String> getProperties(){
+        return Arrays.asList(this.name, NAME_STATIC, NAME_NULL)  ;
+    }
+}

spring-core-3/src/main/resources/application.properties

@@ -0,0 +1 @@
+name = Inject a value to a static field