MysteryClass
-first: int-second: double;+MysteryClass()+MysteryClass(int)+MysteryClass(double);+MysteryClass(int, double)+setData(int, double): void+getFirst(): int+getSecond(): double+doubleFirst(): int+squareSecond(): double+print(): void+equals(MysteryClass): boolean+makeCopy(MysteryClass): void+getCopy():MysteryClassWhich of the following would be a default constructor for the class MysteryClass shown in the accompanying figure?
A. public MysteryClass(){ setData(0, 0.0); }
B. public MysteryClass(0, 0.0) { setData(); }
C. public MysteryClass(0) { setData(0, 0.0); }
D. private MysteryClass(10){ setData(); }
Answer: A
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