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NEW QUESTION 1
Given:
List<String> longlist = List.of(“Hello”,”World”,”Beat”); List<String> shortlist = new ArrayList<>();
Which code fragment correctly forms a short list of words containing the letter “e”?
- A. Option A
- B. Option B
- C. Option C
- D. Option D
Answer: C
NEW QUESTION 2
Which two describe reasons to modularize the JDK? (Choose two.)
- A. easier to understand the Java language
- B. improves security and maintainability
- C. easier to expose implementation details
- D. improves application robustness
- E. easier to build a custom runtime linking application modules and JDK modules
Answer: BD
NEW QUESTION 3
Given:
What is the result?
- A. JoeMarry
- B. Joenull
- C. nullnull
- D. nullMary
Answer: D
Explanation: 
NEW QUESTION 4
Given:
Which is true?
- A. The code compiles but does not print any result.
- B. The code prints 25.
- C. The code does not compile.
- D. The code throws an exception at runtime.
Answer: C
NEW QUESTION 5
Given:
What is the result?
- A. The compilation fail
- B. 1.99,2.99,0
- C. 1.99,2.99,0.0
- D. 1.99,2.99
Answer: A
Explanation: 
NEW QUESTION 6
A bookstore's sales are represented by a list of Sale objects populated with the name of the customer and the books they purchased.
public class Sale { private String customer;
private List<Book> items;
// constructor, setters and getters not shown
}
public class Book { private String name; private double price;
// constructor, setters and getters not shown
}
Given a list of Sale objects, tList, which code fragment creates a list of total sales for each customer in ascending order?
- A. Option A
- B. Option B
- C. Option C
- D. Option D
Answer: C
NEW QUESTION 7
Given:
List<String> list1 = new ArrayList<>(); list1.add(“A”);
list1.add(“B”);
List list2 = List.copyOf(list1); list2.add(“C”);
List<List<String>> list3 = List.of(list1, list2); System.out.println(list3);
What is the result?
- A. [[A, B],[A, B]]
- B. An exception is thrown at run tim
- C. [[A, B], [A, B, C]]
- D. [[A, B, C], [A, B, C]]
Answer: B
Explanation: 
NEW QUESTION 8
Given:
executed with this command: java Main one two three What is the result?
- A. 0). one
- B. 0). one1). two2). three
- C. The compilation fails.
- D. It creates an infinite loop printing:0). one1). two1). two...
- E. A java.lang.NullPointerException is thrown.
Answer: D
NEW QUESTION 9
Which code fragment compiles?
- A. Option A
- B. Option B
- C. Option C
- D. Option D
Answer: D
Explanation: 
NEW QUESTION 10
Given:
LocalDate d1 = LocalDate.of(1997,2,7); DateTimeFormatter dtf = DateTimeFormatter.ofPattern( /*insert code here*/ ); System.out.println(dtf.format (d1));
Which pattern formats the date as Friday 7th of February 1997?
- A. “eeee dd+”th of”+ MMM yyyy”
- B. “eeee dd'th of' MMM yyyy”
- C. “eeee d+”th of”+ MMMM yyyy”
- D. “eeee d’th of’ MMMM yyyy”
Answer: B
NEW QUESTION 11
Given:
Which three are true? (Choose three.)
- A. b1.foo(c) prints Bonjour le monde!
- B. f1.foo(c) prints Hello world!
- C. f1.foo(c) prints Olá Mundo!
- D. b1.foo(c) prints Hello world!
- E. f2.foo(c) prints Olá Mundo!
- F. b1.foo(c) prints Olá Mundo!
- G. f2.foo(c) prints Bonjour le monde!
- H. f2.foo(c) prints Hello world!
- I. f1.foo(c) prints Bonjour le monde!
Answer: BFG
NEW QUESTION 12
Given:
What is the result?
- A. It throws a runtime exception.
- B. Value of Euler = 2.71828
- C. The code does not compile.
- D. Value of Euler = “2.71828”
Answer: C
NEW QUESTION 13
Which three guidelines are used to protect confidential information? (Choose three.)
- A. Limit access to objects holding confidential information.
- B. Clearly identify and label confidential information.
- C. Manage confidential and other information uniformly.
- D. Transparently handle information to improve diagnostics.
- E. Treat user input as normal information.
- F. Validate input before storing confidential information.
- G. Encapsulate confidential information.
Answer: ADF
NEW QUESTION 14
Given:
and:
Which code, when inserted on line 10, prints the number of unique localities from the roster list?
- A. .map(Employee::getLocality).distinct().count();
- B. map(e > e.getLocality()).count();
- C. .map(e > e.getLocality()).collect(Collectors.toSet()).count();
- D. .filter(Employee::getLocality).distinct().count();
Answer: D
NEW QUESTION 15
Which two statements are true about the modular JDK? (Choose two.)
- A. The foundational APIs of the Java SE Platform are found in the java.base module.
- B. An application must be structured as modules in order to run on the modular JDK.
- C. It is possible but undesirable to configure modules’ exports from the command line.
- D. APIs are deprecated more aggressively because the JDK has been modularized.
Answer: AC
NEW QUESTION 16
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