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NEW QUESTION 112
Given the Person class with age and name along with getter and setter methods, and this code fragment:
What will be the result?
- A. Tom Aman Peter
- B. Aman Peter Tom
- C. Tom Peter Aman
- D. Aman Tom Peter
Answer: B
NEW QUESTION 113
Given:
What code must you insert on Line 1 to enable the code to print Hello world?
- A. Hello myH = new Hello(); Greeting myG = new Greeting(); myG.sayHi ();
- B. Hello myH = new Hello();
Hello.Greeting myG = myH.new Greeting();
myG.sayHi(); - C. Hello.Greeting myG = new Hello.Greeting() myG.sayHi();
- D. Hello myH = new Hello();
Hello.Greeting myG = myH.new Hello.Greeting();
myG.sayHi();
Answer: B
NEW QUESTION 114
Given the code fragment:
public void foo(Function<Integer, String> fun) {...}
Which two compile? (Choose two.)
- A. foo( n::toHexString )
- B. foo( n -> Integer.toHexString(n) )
- C. foo( (int n) -> Integer.toHexString(n) )
- D. foo( n -> n + 1 )
- E. foo( int n -> Integer.toHexString(n) )
- F. foo( n -> Integer::toHexString )
- G. foo( toHexString )
- H. foo( Integer::toHexString )
Answer: B,D
Explanation:
Explanation/Reference:
NEW QUESTION 115
Given:
Assume the file on path does not exist. What is the result?
- A. Exception
- B. /u01/work/filestore.txt is deleted.
- C. The compilation fails.
- D. /u01/work/filestore.txt is not deleted.
Answer: C
Explanation:
NEW QUESTION 116
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, FileAttributes, class);
- B. BasicFileAttributes attributes =Files.getAttribute (path, ''insdirectory'');
- C. BasicFileAttributes attributes = Files isDirectory (path);
- D. BasicFileAttributes attributes = Files.readAttributes(path, BasicFileAttributes.class
Answer: A
NEW QUESTION 117
Given:
Which two interfaces can be used in lambda expressions? (Choose two.)
- A. MyInterface2
- B. MyInterface5
- C. MyInterface4
- D. MyInterface1
- E. MyInterface3
Answer: A,E
NEW QUESTION 118
Given:
What is the result?
- A. It throws a runtime exception.
- B. Value of Euler = 2.71828
- C. Value of Euler = "2.71828"
- D. The code does not compile.
Answer: D
NEW QUESTION 119
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 D
- B. Option B
- C. Option A
- D. Option C
Answer: D
NEW QUESTION 120
Given:
What is the result?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
Explanation:
NEW QUESTION 121
Given:
What is the result?
- A. NullPointerException is thrown at line 4.
- B. A compilation error occurs.
- C. Hello
- D. NullPointerException is thrown at line 10.
Answer: C
Explanation:
NEW QUESTION 122
Given:
and
checkQuality(QUALITY.A);
and
Which code fragment can be inserted into the switch statement to print Best?
- A. QUALITY.A
- B. A.toString()
- C. A
- D. QUALITY.A.ValueOf()
Answer: C
NEW QUESTION 123
Given:
It is required that if p instanceof Pair then p.isValid() returns true.
Which is the smallest set of visibility changes to insure this requirement is met?
- A. left and right must be private.
- B. isValid must be public.
- C. left, right, setLeft, and setRight must be private.
- D. setLeft and setRight must be protected.
Answer: A
NEW QUESTION 124
Given:
You want to obtain the Stream object on reading the file. Which code inserted on line 1 will accomplish this?
- A. Stream lines = Files.readAllLines(Paths.get(INPUT_FILE_NAME));
- B. Stream<String> lines = Files.lines(INPUT_FILE_NAME);
- C. var lines = Files.lines(Paths.get(INPUT_FILE_NAME));
- D. var lines = Files.readAllLines(Paths.get(INPUT_FILE_NAME));
Answer: D
NEW QUESTION 125
Given:
What is the result?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
Explanation:
NEW QUESTION 126
Given:
What is the result?
- A. 0
- B. 1
- C. 0 4 9
- D. nothing
Answer: D
NEW QUESTION 127
Given:
What is the output?
- A. I am an array
- B. I am an object
- C. I am an object array
- D. The compilation fails due to an error in line 1.
Answer: B
NEW QUESTION 128
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