134 

What is the result?
(A) B
(B) B, followed by an Exception.
(C) Compilation fails due to an error on line 9.
(D) Compilation fails due to an error on line 14.
(E) An Exception is thrown with no other output.

130 What is the result? (A) null (B) finally (C) null finally (D) Compilation fails. (E) finally exception

131 What is the result? (A) end (B) Compilation fails. (C) exception end (D) exception test end (E) A Throwable is thrown by main. (AB) An Exception is thrown by main.

132 Which statement is true? (A) Compilation succeeds. (B) class A does not compile. (C) The method declared on line 9 cannot be modified to throw TestException. (D) TestA compiles if line 10 is enclosed in try/catch block that catches TestException.

133 What is the result? (A) Compilation fails. (B) ClassC is displayed. (C) The code runs with no output. (D) An exception is thrown at runtime.

135 Which statement is true if a ResourceException is thrown on line 86? (A) Line 92 will not execute. (B) The connection will not be retrieved in line 85. (C) The resource connection will not be closed on line 88. (D) The enclosing method will throw an exception to its caller.

136 What is the result? (A) test (B) Exception (C) Compilation fails. (D) NullPointerException

137 What is the result? (A) X, followed by an Exception. (B) No output, and an Exception is thrown. (C) Compilation fails due to an error on line 14. (D) Compilation fails due to an error on line 16. (E) Compilation fails due to an error on line 17. (AB) X, followed by an Exception, followed by B.

138 Which two code fragments are most likely to cause a StackOverflowError? (Choose two.)  1. int[] x = {1, 2, 3, 4, 5}; for(int y=0; y＜6; y++) System.out.println(x[y]);   2. static int[] x = {7, 6, 54}; static{x[1] = 8; x[4] = 3;}  3. for(int y=10; y＜10; y++) doStuff(y);  4. void doOne(int x){doTwo(x);} void doTwo(int y){doThree(y);} void doThree(int z){doTwo(z);}  5. for(int x=0; x＜1000000000; x++) doStuff(x);  6. void counter(int i){counter(++i);} (A) 12 (B) 46 (C) 23 (D) 156

139 What, inserted at line 12, is the appropriate way to handle a null value?  (A) assert value == null; (B) assert value != null : "value is null"; (C) (D) 

複選題140 Which two statements are true if a NullPointerException is thrown on line 3 of class C? (Choose two.) (A) The application will crash. (B) The code on line 29 will be executed. (C) The code on line 5 of class A will execute. (D) The code on line 5 of class B will execute. (E) The exception will be propagated back to line 27.