diff --git a/spring-mvc-java-2/src/main/java/com/baeldung/pathvariable/PathVariableAnnotationController.java b/spring-mvc-java-2/src/main/java/com/baeldung/pathvariable/PathVariableAnnotationController.java
index 37e104f354..0cbd852095 100644
--- a/spring-mvc-java-2/src/main/java/com/baeldung/pathvariable/PathVariableAnnotationController.java
+++ b/spring-mvc-java-2/src/main/java/com/baeldung/pathvariable/PathVariableAnnotationController.java
@@ -10,80 +10,80 @@ import java.util.Optional;
 
 @RestController
 public class PathVariableAnnotationController {
-	@GetMapping("/api/employees/{id}")
-	@ResponseBody
-	public String getEmployeesById(@PathVariable String id) {
-		return "ID: " + id;
-	}
+    @GetMapping("/api/employees/{id}")
+    @ResponseBody
+    public String getEmployeesById(@PathVariable String id) {
+        return "ID: " + id;
+    }
 
-	@GetMapping("/api/employeeswithvariable/{id}")
-	@ResponseBody
-	public String getEmployeesByIdWithVariableName(@PathVariable("id") String employeeId) {
-		return "ID: " + employeeId;
-	}
+    @GetMapping("/api/employeeswithvariable/{id}")
+    @ResponseBody
+    public String getEmployeesByIdWithVariableName(@PathVariable("id") String employeeId) {
+        return "ID: " + employeeId;
+    }
 
-	@GetMapping("/api/employees/{id}/{name}")
-	@ResponseBody
-	public String getEmployeesByIdAndName(@PathVariable String id, @PathVariable String name) {
-		return "ID: " + id + ", name: " + name;
-	}
+    @GetMapping("/api/employees/{id}/{name}")
+    @ResponseBody
+    public String getEmployeesByIdAndName(@PathVariable String id, @PathVariable String name) {
+        return "ID: " + id + ", name: " + name;
+    }
 
-	@GetMapping("/api/employeeswithmapvariable/{id}/{name}")
-	@ResponseBody
-	public String getEmployeesByIdAndNameWithMapVariable(@PathVariable Map<String, String> pathVarsMap) {
-		String id = pathVarsMap.get("id");
-		String name = pathVarsMap.get("name");
-		if (id != null && name != null) {
-			return "ID: " + id + ", name: " + name;
-		} else {
-			return "Missing Parameters";
-		}
-	}
+    @GetMapping("/api/employeeswithmapvariable/{id}/{name}")
+    @ResponseBody
+    public String getEmployeesByIdAndNameWithMapVariable(@PathVariable Map<String, String> pathVarsMap) {
+        String id = pathVarsMap.get("id");
+        String name = pathVarsMap.get("name");
+        if (id != null && name != null) {
+            return "ID: " + id + ", name: " + name;
+        } else {
+            return "Missing Parameters";
+        }
+    }
 
-	@GetMapping(value = { "/api/employeeswithrequired", "/api/employeeswithrequired/{id}" })
-	@ResponseBody
-	public String getEmployeesByIdWithRequired(@PathVariable String id) {
-		return "ID: " + id;
-	}
+    @GetMapping(value = { "/api/employeeswithrequired", "/api/employeeswithrequired/{id}" })
+    @ResponseBody
+    public String getEmployeesByIdWithRequired(@PathVariable String id) {
+        return "ID: " + id;
+    }
 
-	@GetMapping(value = { "/api/employeeswithrequiredfalse", "/api/employeeswithrequiredfalse/{id}" })
-	@ResponseBody
-	public String getEmployeesByIdWithRequiredFalse(@PathVariable(required = false) String id) {
-		if (id != null) {
-			return "ID: " + id;
-		} else {
-			return "ID missing";
-		}
-	}
+    @GetMapping(value = { "/api/employeeswithrequiredfalse", "/api/employeeswithrequiredfalse/{id}" })
+    @ResponseBody
+    public String getEmployeesByIdWithRequiredFalse(@PathVariable(required = false) String id) {
+        if (id != null) {
+            return "ID: " + id;
+        } else {
+            return "ID missing";
+        }
+    }
 
-	@GetMapping(value = { "/api/employeeswithoptional", "/api/employeeswithoptional/{id}" })
-	@ResponseBody
-	public String getEmployeesByIdWithOptional(@PathVariable Optional<String> id) {
-		if (id.isPresent()) {
-			return "ID: " + id.get();
-		} else {
-			return "ID missing";
-		}
-	}
+    @GetMapping(value = { "/api/employeeswithoptional", "/api/employeeswithoptional/{id}" })
+    @ResponseBody
+    public String getEmployeesByIdWithOptional(@PathVariable Optional<String> id) {
+        if (id.isPresent()) {
+            return "ID: " + id.get();
+        } else {
+            return "ID missing";
+        }
+    }
 
-	@GetMapping(value = { "/api/defaultemployeeswithoptional", "/api/defaultemployeeswithoptional/{id}" })
-	@ResponseBody
-	public String getDefaultEmployeesByIdWithOptional(@PathVariable Optional<String> id) {
-		if (id.isPresent()) {
-			return "ID: " + id.get();
-		} else {
-			return "ID: Default Employee";
-		}
-	}
+    @GetMapping(value = { "/api/defaultemployeeswithoptional", "/api/defaultemployeeswithoptional/{id}" })
+    @ResponseBody
+    public String getDefaultEmployeesByIdWithOptional(@PathVariable Optional<String> id) {
+        if (id.isPresent()) {
+            return "ID: " + id.get();
+        } else {
+            return "ID: Default Employee";
+        }
+    }
 
-	@GetMapping(value = { "/api/employeeswithmap/{id}", "/api/employeeswithmap" })
-	@ResponseBody
-	public String getEmployeesByIdWithMap(@PathVariable Map<String, String> pathVarsMap) {
-		String id = pathVarsMap.get("id");
-		if (id != null) {
-			return "ID: " + id;
-		} else {
-			return "ID missing";
-		}
-	}
+    @GetMapping(value = { "/api/employeeswithmap/{id}", "/api/employeeswithmap" })
+    @ResponseBody
+    public String getEmployeesByIdWithMap(@PathVariable Map<String, String> pathVarsMap) {
+        String id = pathVarsMap.get("id");
+        if (id != null) {
+            return "ID: " + id;
+        } else {
+            return "ID missing";
+        }
+    }
 }