题目内容

What constructor is equivalent to the one listed here public SampleConstructor( { System.out.println("SampleConstructor"); }

A. public SampleConstructor() { this(); System.out.println("Sample Constructor"); }
B. public SampleConstructor() { super(); System.out.println("Sample Constructor"); }
C. public SampleConstructor() { this.SampleConstructor(); System.out.println("Sample Constructor"); }
D. public SampleConstructor() { super.SampleConstructor(); System.out.println("Sample Constructor"); }
E. None of the above

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更多问题

What best describes the result of the following code segment The ArrayList sampleArrayList has already been declared and initialized. int i = 63; sampleArrayList.add(i);

A. The int is successfully placed into the ArrayList.
B. The int is converted to an Integer via autoboxing and then placed into the ArrayList.
C. null is placed into the ArrayList.
D. A compile time error will be generated.
E. A runtime exception will be thrown.

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