Pass Guaranteed Quiz 2023 Realistic Verified Free 1Z0-819 Exam Dumps
Free Oracle Java SE 1Z0-819 Ultimate Study Guide (Updated 262 Questions)
NEW QUESTION # 63
Given the code fragment:
What is the result?
- A. false true true
- B. true false false
- C. false false true
- D. false true false
Answer: D
Explanation:
NEW QUESTION # 64
Given:
You want to use the myResource class in a try-with-resources statement. Which change will accomplish this?
- A. Implement AutoCloseable and override the autoClose method.
- B. Extend AutoCloseable and override the autoClose method.
- C. Extend AutoCloseable and override the close method.
- D. Implement AutoCloseable and override the close method.
Answer: D
NEW QUESTION # 65
Given:
Which three classes successfully override printOne()? (Choose three.)
- A. Option F
- B. Option C
- C. Option E
- D. Option B
- E. Option A
- F. Option D
Answer: B,E,F
NEW QUESTION # 66
Given:
Which one is correct?
- A. The compilation fails.
- B. Four threads are created.
- C. An IllegalThreadStateException is thrown at run time.
- D. Three threads are created.
Answer: C
Explanation:
NEW QUESTION # 67
Given:
Which two lines can replace line 1 so that the Y class compiles? (Choose two.)
- A. super.set(List<String> map)
- B. set(map.values());
- C. set(map)
- D. map.forEach((k, v) -> set(v)));
- E. super.set(map.values());
Answer: B,E
NEW QUESTION # 68
Given:
What code inserted into class C would allow it to compile?
- A. void x() { }
public void z() { } - B. void x() { super.y(); }
public void z() { } - C. void x() { }
public void y() { }
public void z() { } - D. public void x() { }
protected void y() { super.y(); }
public void z() { } - E. public void x() { }
public void z() { }
Answer: E
NEW QUESTION # 69
Given:
and
Which code fragment on line 1 makes the s1 set contain the names of all employees born before January 1, 1989?
- A. Option D
- B. Option C
- C. Option B
- D. Option A
Answer: C
NEW QUESTION # 70
Given:
What is the result?
- A. Student
- B. It fails to compile.
- C. null
- D. java.lang.IllegalAccessException is thrown.
- E. nothing
Answer: B
NEW QUESTION # 71
Given:
executed with this command:
java Main one two three
What is the result?
- A. The compilation fails.
- B. 0). one
- C. It creates an infinite loop printing:0). one1). two1). two...
- D. 0). one1). two2). three
- E. A java.lang.NullPointerException is thrown.
Answer: C
NEW QUESTION # 72
Given:
What is the result?
- A. 6 13
- B. 5 12
- C. 0 5
- D. compilation error
Answer: D
Explanation:
NEW QUESTION # 73
Given an application with a main module that has this module-info.java file:
Which two are true? (Choose two.)
- A. To run without an error, the application must have at least one module in the module path that provides an implementation of country.CountryDetails.
- B. An implementation of country.countryDetails can be added to the main module.
- C. A module providing an implementation of country.CountryDetails must have a requires main; directive in its module-info.java file.
- D. A module providing an implementation of country.CountryDetails can be compiled and added without recompiling the main module.
- E. To compile without an error, the application must have at least one module in the module source path that provides an implementation of country.CountryDetails.
Answer: C,E
NEW QUESTION # 74
Given the code fragment:
You want to examine whether path is a directory.
Which code inserted on line 1 will accomplish this?
- A. BasicFileAttributes attributes = Files.readAttributes(path, BasicFileAttributes.class
- B. BasicFileAttributes attributes = Files isDirectory (path);
- C. BasicFileAttributes attributes = Files, readAttributes (path, FileAttributes, class);
- D. BasicFileAttributes attributes =Files.getAttribute (path, ''insdirectory'');
Answer: C
NEW QUESTION # 75
Given the code fragment:
What is the result?
- A. false true true
- B. true false false
- C. false false true
- D. false true false
Answer: D
Explanation:
NEW QUESTION # 76
Given:
Which two lines can replace line 1 so that the Y class compiles? (Choose two.)
- A. super.set(List<String> map)
- B. set(map.values());
- C. set(map)
- D. map.forEach((k, v) -> set(v)));
- E. super.set(map.values());
Answer: B,E
NEW QUESTION # 77
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: D
NEW QUESTION # 78
Given:
What is the result?
- A. 2,54,54,5
- B. 2,34,34,5
- C. 2,34,54,3
- D. 2,34,54,5
Answer: A
Explanation:
NEW QUESTION # 79
Given:
What is the result?
- A. An exception is thrown at runtime.
- B. 42=(x+y)=6
- C. 6=(x+y)=42
- D. 42=(x+y)=42
- E. 6=(x+y)=6
Answer: C
Explanation:
NEW QUESTION # 80
Given the code fragment:
Which "for" loop produces the same output?
- A. Option D
- B. Option C
- C. Option B
- D. Option A
Answer: B
NEW QUESTION # 81
......
Get to the Top with 1Z0-819 Practice Exam Questions: https://testinsides.actualpdf.com/1Z0-819-real-questions.html
