Resolves checkstyle errors for execute-around extension-objects (#1071)

* Reduces checkstyle errors in execute-around

* Reduces checkstyle errors in extension-objects

extension-objects/src/main/java/units/CommanderUnit.java

@@ -27,7 +27,7 @@ import abstractextensions.UnitExtension;
 import concreteextensions.Commander;
 
 /**
- * Class defining CommanderUnit
+ * Class defining CommanderUnit.
  */
 public class CommanderUnit extends Unit {
 

extension-objects/src/main/java/units/SergeantUnit.java

@@ -27,7 +27,7 @@ import abstractextensions.UnitExtension;
 import concreteextensions.Sergeant;
 
 /**
- * Class defining SergeantUnit
+ * Class defining SergeantUnit.
  */
 public class SergeantUnit extends Unit {
 

extension-objects/src/main/java/units/SoldierUnit.java

@@ -27,7 +27,7 @@ import abstractextensions.UnitExtension;
 import concreteextensions.Soldier;
 
 /**
- * Class defining SoldierUnit
+ * Class defining SoldierUnit.
  */
 public class SoldierUnit extends Unit {
 

extension-objects/src/main/java/units/Unit.java

@@ -26,7 +26,7 @@ package units;
 import abstractextensions.UnitExtension;
 
 /**
- * Class defining Unit, other units will extend this class
+ * Class defining Unit, other units will extend this class.
  */
 public class Unit {