112 

What is the result?
(A) collie
(B) harrier
(C) Compilation fails.
(D) collie harrier
(E) An exception is thrown at runtime.

108 Which statement is true about the objects referenced by snoog, snooch, and booch immediately after line 23 executes? (A) None of these objects are eligible for garbage collection. (B) Only the object referenced by booch is eligible for garbage collection. (C) Only the object referenced by snoog is eligible for garbage collection. (D) Only the object referenced by snooch is eligible for garbage collection. (E) The objects referenced by snooch and booch are eligible for garbage collection.

109 Which code fragment, inserted at the end of line 12, produces the output p is 420? (A) p.setWeight(420); (B) p.changePayload(420); (C) p = new Payload(420); (D) Payload.setWeight(420); (E) p = Payload.setWeight(420);

110 What is the result? (A) r, t, t, (B) r, e, o, (C) Compilation fails. (D) An exception is thrown at runtime.

111 What is the result? (A) Compilation fails. (B) An exception is thrown at runtime. (C) doStuff x = 6 main x = 6 (D) doStuff x = 6 main x = 7 (E) doStuff x = 7 main x = 6 (AB) doStuff x = 7 main x = 7

113 Which exception or error will be thrown when a programmer attempts to run this code? (A) java.lang.StackOverflowError (B) java.lang.IllegalStateException (C) java.lang.ExceptionInInitializerError (D) java.lang.ArrayIndexOutOfBoundsException

114 Which code, inserted at line 16, correctly retrieves a local instance of a Point object? (A) Point p = Line.getPoint(); (B) Line.Point p = Line.getPoint(); (C) Point p = (new Line()).getPoint(); (D) Line.Point p = (new Line()).getPoint();

115 What is the result? (A) 6 (B) 7 (C) 10 (D) 11 (E) Compilation fails. (AB) An exception is thrown at runtime.

複選題116 Which two, placed on line 13, will produce the output gobstopper? (Choose two.)  1. System.load("prop.custom");  2. System.getenv("prop.custom");  3. System.property("prop.custom);  4. System.getProperty("prop.custom");  5. System.getProperties().getProperty("prop.custom"); (A) 13 (B) 23 (C) 45 (D) 245

117 What is the result when the programmer attempts to compile the code and run it with the command java Converter 12? (A) It is true that j==i. (B) It is false that j==i. (C) An exception is thrown at runtime. (D) Compilation fails because of an error in line 13.

複選題118 Which two statements are true? (Choose two.) (A) Foo.beta() is a valid invocation of beta(). (B) Foo.alpha() is a valid invocation of alpha(). (C) Method beta() can directly call method alpha(). (D) Method alpha() can directly call method beta().