Update checklist.md

checklist.md

@@ -7,25 +7,27 @@
 * Let's check instances map before new instance creation.
 * Make Interface Implementations map a class field. You can fill it in using `Map.of()`.  
 * When throwing an exception add an informative message to it. Also, don't forget to add an exception you're catching in `catch` block to the `RuntimeException` object you throw
-``` 
-Bad example: 
+
+Bad example:
+```java
 } catch(Exception e) {
   throw new SomeException("Can't initialize object with Injector");
 }
 ```
-``` 
-Good example: 
+Good example:
+```java
 } catch(Exception e) {
   throw new SomeException("Injection failed, missing @Component annotaion on the class " + someInfoAboutClass, e);
 }
 ```
 * It is better to replace many exceptions that have a common parent with a general parental exception.
-``` 
-Bad example: 
+
+Bad example:
+```java
 } catch (InvocationTargetException | InstantiationException
         | IllegalAccessException | NoSuchMethodException e) {
 ```
-``` 
-Good example: 
+Good example:
+```java
 } catch (ReflectiveOperationException e) {
 ```