Sample Questions: Java SE 5 and 6, Certified Associate (1Z0-850)

Option A is incorrect because the value 100.0 is double by default. The value token must be cast to a float or marked as a float with a trailing F character.
Option B is correct because this is the proper Java syntax for floating point variable declaration and values.
Option C is incorrect because this is UML syntax, NOT Java syntax.
Option D is incorrect because this is UML syntax, NOT Java syntax.