Change wildcard java.util.* to import individual classes
Clean javadoc text
Fix [SonaQube] Switch statements should end with a default case
Add override annotation on #toString
Fix [SonarQube] Integer Instantiation (calling new Integer() causes
memory allocation. Integer.valueOf() is more memory friendly)
Fix [SonarQube] Avoid commented-out lines of code
Fix [SonarQube] if/else/for/while/do statements should always use curly
braces
Fix [SonarQube] if/else/for/while/do statements should always use curly
braces
Fix [SonarQube] Avoid commented-out lines of code