DOWNLOAD 1Z1-819 DEMO & TEST 1Z1-819 QUESTIONS ANSWERS

Download 1z1-819 Demo & Test 1z1-819 Questions Answers

Download 1z1-819 Demo & Test 1z1-819 Questions Answers

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Tags: Download 1z1-819 Demo, Test 1z1-819 Questions Answers, Latest 1z1-819 Dumps Ppt, 1z1-819 Vce Torrent, Reliable 1z1-819 Exam Bootcamp

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Oracle 1Z0-819 exam covers a range of topics such as Java basics, Java data types, Java arrays and collections, Java I/O, Java concurrency, Java annotations, and Java modules. It also covers topics such as Java lambda expressions, Java streams, Java functional interfaces, and Java date/time API. 1z1-819 Exam is intended to measure the developer's ability to write efficient, maintainable, and scalable Java code.

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Oracle Java SE 11 Developer Sample Questions (Q275-Q280):

NEW QUESTION # 275
Given:

Which two lines can replace line 1 so that the Y class compiles? (Choose two.)

  • A. super.set(List<String> map)
  • B. super.set(map.values());
  • C. map.forEach((k, v) -> set(v)));
  • D. set(map.values());
  • E. set(map)

Answer: B,D


NEW QUESTION # 276
Given the code fragment:

What is the result?

  • A. 0
  • B. 1
  • C. 2
  • D. 3

Answer: A

Explanation:


NEW QUESTION # 277
Given:

Which two lines inserted in line 1 will allow this code to compile? (Choose two.)

  • A. protected void walk(){}
  • B. abstract void walk();
  • C. public abstract void walk();
  • D. private void walk(){}
  • E. void walk(){}

Answer: A,C


NEW QUESTION # 278
Given the code fragment:

What is the result?

  • A. True
  • B. A java.lang.NullPointerException is thrown.
  • C. False
  • D. A java.lang, UnsupportedOperationException is thrown.

Answer: D


NEW QUESTION # 279
Given the formula to calculate a monthly mortgage payment:

and these declarations:

How can you code the formula?

  • A. m = p * (r * Math.pow(1 + r, n) / (Math.pow(1 + r, n) - 1));
  • B. m = p * (r * Math.pow(1 + r, n) / Math.pow(1 + r, n) - 1);
  • C. m = p * r * Math.pow(1 + r, n) / Math.pow(1 + r, n) - 1;
  • D. m = p * ((r * Math.pow(1 + r, n) / (Math.pow(1 + r, n)) - 1));

Answer: A


NEW QUESTION # 280
......

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