Oracle 1z0-811 問題集

質問 1：
Given the code fragment:

What is the result?
A. 2
B. The program executes an infinite number of times.
C. 3
D. 4
正解：D

質問 2：
Identify two valid data types for the operands of the addition (+) operator?
A. boolean
B. string
C. array
D. numeric
正解：B,C

質問 3：
Given the code fragment:

What is the result?
A. 0
B. 2
C. 3
D. A compilation error occurs.
正解：C

質問 4：
Given:

What is the result?
A. The code fails to compile. To make it compile, at line n1 insert:
this () { }
B. The code fails to compile. To make it compile, at line n1 insert:
Bus () { }
C. The code compiles and prints:
default
D. The code fails to compile. To make it compile, at line n2 insert:
this ();
正解：B
解説: (Topexam メンバーにのみ表示されます)

質問 5：
Which statement is true about exception handling?
A. All catch blocks must be ordered from general to most specific.
B. All statements in a try block are executed, even if an exception occurs in the middle of the try block.
C. At least one statement in a try block must throw an exception.
D. At least one catch block must accompany a try statement.
正解：A

質問 6：
Given the code fragment:

What is the output?
A. 0
B. 3
C. 8
D. A compilation error occurs.
正解：A