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Given the code fragment:
You have been asked to define the ProductCode class. The definition of the ProductCode class must allow c1 instantiation to succeed and cause a compilation error on c2 instantiation.
Which definition of ProductCode meets the requirement?
A. Option D
B. Option B
C. Option A
D. Option C
答案：B
問題 #85
Given:
public class Counter {
public static void main (String[ ] args) {
int a = 10;
int b = -1;
assert (b >=1) : "Invalid Denominator";
int = a / b;
System.out.println (c);
}
}
What is the result of running the code with the option?
A. A compilation error occurs.
B. An AssertionError is thrown.
C. 0
D. 1
答案：B
問題 #86
Given:
A. Y Y X
B. X Y X
C. X XX
D. Y YY
答案：D
問題 #87
Given the code fragment:
What is the result?
A. Word: why Word: what Word: when
B. Compilation fails at line n1.
C. Word: why Word: why what Word: why what when
D. Word: why what when
答案：B
問題 #88
Given the code fragment:
What is the result?
