Oracle 1z0-808 問題集

質問 1：
Given the code fragment:

Which two modifications should you make so that the code compiles successfully? (Choose two.)
A. At line 14, insert throw new IOException();
B. Replace line 7 with throw IOException ("Exception raised");
C. Replace line 5 with public void printFileContent() throws IOException {
D. Replace line 11 with public static void main(String[]) args) throws Exception {
E. Replace line 13 with:

正解：C,D

質問 2：
Given:

And given the code fragment:

What is the result?
A. Compilation fails
B. C1C1
C. C1C2
D. C2C2
正解：C

質問 3：
Which statement is true about the default constructor of a top-level class?
A. The default constructor of a subclass always invokes the no-argument constructor of its superclass.
B. It can take arguments.
C. It has private access modifier in its declaration.
D. It can be overloaded.
正解：A
解説: (Topexam メンバーにのみ表示されます)

質問 4：
Given the code fragment:

Which option represents the state of the num array after successful completion of the outer loop?
A.

B.

C.

D.

正解：D

質問 5：
Given:

Which is true?
A. Sum for 0 to 10 = 55
B. Compilation fails due to error on line 7.
C. Sum for 0 to 0 = 55
D. An Exception is thrown at the runtime.
E. Compilation fails due to error on line 6.
正解：B
解説: (Topexam メンバーにのみ表示されます)

質問 6：
Given:

How many objects have been created when the line / / do complex stuff is reached?
A. Three
B. Six
C. Two
D. Four
正解：C