Java views can show special decoration icons to indicate methods that override or implement methods from supertypes.
      To show or hide the override indicators, select or clear the Java
      Method Override Indicator checkbox in the 
       General > Appearance >
      Label Decorations preference page.
    
The package explorer can indicate the kind of Java type (Enum, Interface, Annotation) contained in a Java file.
Note:
      To show or hide the Java type indicators, select or clear the Java Type
      Indicator checkbox in the 
       General >
      Appearance > Label Decorations preference page.