Answer: for-each iteration : Questions « Operators « SCJP

same old

The for-each iterates through the enum using the values() method to return an array. 
Enums can be compared using either equals() or ==. 
Enums can be used in a ternary operator's Boolean test.

2.13.Questions
	2.13.1.	May a class reference appear on the left-hand side of an instanceof operator?
	2.13.2.	Answer: left-hand side of instanceof operator
	2.13.3.	May a class appear on the left-hand side of an instanceof operator?
	2.13.4.	Answer: left-hand side instanceof operator
	2.13.5.	What is the result(tenary operator)?
	2.13.6.	Answer: tenary operator
	2.13.7.	What is the result(command line arguments)?
	2.13.8.	Answer: command line arguments
	2.13.9.	What is the result(string Concatenation)?
	2.13.10.	Answer: string Concatenation
	2.13.11.	What is the result(Multidimensional arrays)?
	2.13.12.	Answer: Multidimensional arrays
	2.13.13.	What is the result(for-each iteration)?
	2.13.14.	Answer: for-each iteration
	2.13.15.	What is the output(boolean and logical operators)?
	2.13.16.	Answer: boolean and logical operators
	2.13.17.	What is the output(bit masking)?
	2.13.18.	Answer: bit masking
	2.13.19.	What is the result(instanceof operator)?
	2.13.20.	Answer: instanceof operator