java

Which would be a car license plate is a letter followed to appropriate regular expression to match that? followed by a digit followed by two letters. C) [AZ]\d{(3)[AZ](2) 26. A -.-contains a ?- which contains a ?- B) \( \(A-Z)(6) \) D) (A2)d(6) A) JMenuBar; JMenu; JMenultem C) JMenu; JMenuBar; JMenultem 27. A menu listener implements the interface B) IMenutem; JMenio, iMenutar D) JMenular; JMeritten; jMenu A) addActionPerformed C) Actionlistener B) Actionevent. D) none of the above 28. What do GUI's do while they are waiting for an action event? A) Show a pull-down menu item C) execute a continuous wait loop B) nothing D) none of the above 29. Menu handlers can pass a reference to their own Gul by using the ?- operator. A) this B) instance of C) casting D) none of the above. 30. A sequence of key/value pairs can be found in a A) TreeMap B) HashMap C) both (A) and (B) D) norve of the above 1. If you want items to come out in sorted order it's best to use a A) hash map B) tree map e) sort map D) none of the above A hash map may be implemented using a - ?- and a tree map using a - ?-. A) red-black tree; indexed array B) indexed array; red-black tree C) key/value pair; French word D) French word; key/value pair