1.　　

　　Which method must exist in every Java application? 　　



　　 (a) main

(b) init

(c) begin

(d) paint



　　Correct answer is 　　(a)



　　2.　　

　　

Which of the following is a valid literal of type float in Java? 　　



　　 (a) 10.5d

(b) 10.5fp

(c) 10.5f

(d) 10.5sp



　　Correct answer is 　　(c)



　　3.　　

　　Which of the following is a list of all possible Java boolean values? 　　



　　 (a) true, false

(b) TRUE, FALSE

(c) T, F

(d) True, False



　　Correct answer is 　　(a)