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NEW QUESTION # 62
A company has an existing sales application using a Java 8 jar file containing packages:
com.company.customer;
com.company.customer.orders;
com.company.customer.info;
com.company.sales;
com.company.sales.leads;
com.company.sales.closed;
com.company.orders;
com.company.orders.pending;
com.company.orders.shipped.
To modularize this jar file into three modules, customer, sales, and orders, which module-info.java would be correct?
- A.
- B.
- C.
- D.
Answer: D
NEW QUESTION # 63
Given:
What is the result?
- A. b1
- B. b2
- C. b3
- D. 0
- E. The compilation fails due to an error in line 1.
- F. 1
- G. 2
Answer: G
Explanation:
NEW QUESTION # 64
Given:
jdeps -jdkinternals C:\workspace4\SimpleSecurity\jar\classes.jar
Which describes the expected output?
- A. The -jdkinternals option analyzes all classes in the .jar for class-level dependencies on JDK internal APIs. If any are found, the results with suggested replacements are output in the console.
- B. The -jdkinternals option analyzes all classes in the .jar and prints all class-level dependencies.
- C. jdeps lists the module dependencies and the package names of all referenced JDK internal APIs. If any are found, the suggested replacements are output in the console.
- D. jdeps outputs an error message that the -jdkinternals option requires either the -summary or the - verbose options to output to the console.
Answer: C
Explanation:
Explanation
-jdkinternals option analyzes all classes in the .jar for class-level dependencies on JDK internal APIs. If any are found, the results with suggested replacements are output in the console.
NEW QUESTION # 65
Given:
And the command:
java Main Helloworld
What is the result ?
- A. Input:
Then block until any input comes from System.in. - B. Input: Helloworld Echo: Helloworld
- C. Input:
Echo: Helloworld - D. Input: Echo:
- E. A NullPointerException is thrown at run time.
Answer: A
Explanation:
NEW QUESTION # 66
Given:
Which two statements are valid to be written in this interface? (Choose two.)
- A. private abstract void methodC();
- B. public void methodF(){System.out.println("F");}
- C. public abstract void methodB();
- D. final void methodE();
- E. final void methodG(){System.out.println("G");}
- F. public String methodD();
- G. public int x;
Answer: C,F
NEW QUESTION # 67
Which two are functional interfaces? (Choose two.)
- A. Option C
- B. Option B
- C. Option A
- D. Option E
- E. Option D
Answer: A,D
NEW QUESTION # 68
Given:
and
What is the result?
- A. A ClassCastException is thrown at run time.
- B. 1
1
1 - C. The compilation fails.
- D. A NullPointerException is thrown at run time.
- E. 1
Null
null
Answer: C
Explanation:
NEW QUESTION # 69
Given:
What is the result?
- A. 0
- B. 1
- C. 2
- D. An exception is thrown at runtime.
Answer: B
Explanation:
NEW QUESTION # 70
Given:
Which two lines cause compilation errors? (Choose two.)
- A. line 7
- B. line 8
- C. line 12
- D. line 6
- E. line 9
Answer: A,D
NEW QUESTION # 71
Given the code fragment:
What is the result?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
Explanation:
NEW QUESTION # 72
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: B
NEW QUESTION # 73
Given:
Which statement is equivalent to line 1?
- A. double totalSalary = list.stream().map(Employee::getSalary * ratio).reduce (bo).orElse(0.0);
- B. double totalSalary = list.stream().mapToDouble(e > e.getSalary() * ratio).sum;
- C. double totalSalary = list.stream().mapToDouble(e > e.getSalary() * ratio).reduce(starts, bo);
- D. double totalSalary = list.stream().map(e > e.getSalary() * ratio).reduce (bo).ifPresent (p > p.doubleValue());
Answer: A
Explanation:
NEW QUESTION # 74
Given:
What is the result?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION # 75
Given the code fragment:
What change on line 1 will make this code compile?
- A. Add catch (L |N e).
- B. Add catch (M |L e).
- C. Add catch (N | L | M e).
- D. Add catch (L e).
- E. Add catch (L |M N e).
Answer: D
NEW QUESTION # 76
Given:
Which is true about line 1?
- A. If the value is not present, a NullPointerException is thrown at run time.
- B. If the value is not present, nothing is done.
- C. If the value is not present, a NoSuchElementException is thrown at run time.
- D. It always executes the System.out::print statement.
Answer: B
Explanation:
NEW QUESTION # 77
Given:
Which two lines can replace line 1 so that the Y class compiles? (Choose two.)
- A. set(map.values());
- B. set(map)
- C. super.set(map.values());
- D. super.set(List<String> map)
- E. map.forEach((k, v) -> set(v)));
Answer: A,C
NEW QUESTION # 78
Given:
What is known about the Sportscar class?
- A. The Sportscar class is a subclass of Automobile and inherits its methods.
- B. The Sportscar class is a superclass that has more functionality than the Automobile class.
- C. The Sportscar subclass cannot override setTurbo method from the superclass Automobile.
- D. The Sportscar class inherits the setTurbo method from the superclass Automobile.
Answer: A
NEW QUESTION # 79
What is the result?
- A. 9001: java.io.FileNotFoundException: MyFile.txt-MyFile.txt
- B. Compilations fails at Line 1.
- C. 9001: APPLICATION ERROR-9001-MyFile.txt
9001: java.io.FileNotFoundException: MyFile.txt-MyFile.txt - D. 9001: APPLICATION ERROR-9001-MyFile.txt
Answer: B
NEW QUESTION # 80
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