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Exam 1z0-808 topic 1 question 205 discussion

Actual exam question from Oracle's 1z0-808
Question #: 205
Topic #: 1
[All 1z0-808 Questions]

Given:
and the code fragment:

What is the result?

  • A. true:false:true
  • B. false:true:true
  • C. false:true:false
  • D. true:true:false
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Suggested Answer: B 🗳️
by carloswork at Oct. 27, 2022, 6:29 p.m.

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tawa_z58
1 year ago
The answer is B because P2 has inherited from P1 therefore any object of P2 can be called P1's instance.
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carloswork
2 years, 2 months ago
Selected Answer: B
Answer is B. class P1{} class P2 extends P1 implements I1 {} interface I1{} public class Test { public static void main(String[] args) { P1 obj = new P1(); P2 obj2 = new P2(); I1 obj3 = new P2(); boolean r1 = obj instanceof P2; boolean r2 = obj2 instanceof P1; boolean r3 = obj3 instanceof I1; System.out.println(r1 + ":" + r2 + ":" + r3); } }
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C (25%)
B (20%)
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