Oracle
1Z0-808 · Question #48
1Z0-808 Question #48: Real Exam Question with Answer & Explanation
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Working with Inheritance
Question
class CD {
int r;
CD(int r) {
this.r=r;
}
}
class DVD extends CD {
int c;
DVD(int r, int c) {
// line n1
}
}
And given the code fragment:
DVD dvd = new DVD(10, 20);
Which code fragment should you use at line n1 to instantiate the dvd object successfully?
Options
- Asuper.r = r; this.c = c;
- Bsuper(r); this(c);
- Csuper(r); this.c = c;
- Dthis.c = r; super(c);
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Topics
#constructor chaining#super keyword#inheritance#subclass initialization