NEW QUESTION 1
Given:
public class Customer { private String fName; private String lName; private static int count;
public customer (String first, String last) {fName = first, lName = last;
++count;}
static { count = 0; }
public static int getCount() {return count; }
}
public class App {
public static void main (String [] args) { Customer c1 = new Customer(“Larry”, “Smith”);
Customer c2 = new Customer(“Pedro”, “Gonzales”); Customer c3 = new Customer(“Penny”, “Jones”); Customer c4 = new Customer(“Lars”, “Svenson”); c4 = null;
c3 = c2;
System.out.println (Customer.getCount());
}
}
What is the result?

• A. 2
• B. 3
• C. 4
• D. 5

Answer: D

NEW QUESTION 2
Given the code fragment:
BiFunction<Integer, Double, Integer> val = (t1, t2) -> t1 + t2; //line n1 System.out.println(val.apply(10, 10.5));
What is the result?

• A. 20
• B. 20.5
• C. A compilation error occurs at line n1.
• D. A compilation error occurs at line n2.

Answer: C

NEW QUESTION 3
Given:
class RateOfInterest {
public static void main (String[] args) { int rateOfInterest = 0;
String accountType = “LOAN”; switch (accountType) {
case “RD”; rateOfInterest = 5; break;
case “FD”; rateOfInterest = 10; break;
default:
assert false: “No interest for this account”; //line n1
}
System.out.println (“Rate of interest:” + rateOfInterest);
}
}
and the command:
java –ea RateOfInterest What is the result?

• A. Rate of interest: 0
• B. An AssertionError is thrown.
• C. No interest for this account
• D. A compilation error occurs at line n1.

Answer: B

NEW QUESTION 4
Which code fragment is required to load a JDBC 3.0 driver?

• A. Connection con = Connection.getDriver (“jdbc:xyzdata://localhost:3306/EmployeeDB”);
• B. Class.forName(“org.xyzdata.jdbc.NetworkDriver”);
• C. Connection con = DriverManager.getConnection (“jdbc:xyzdata://localhost:3306/EmployeeDB”);
• D. DriverManager.loadDriver (“org.xyzdata.jdbc.NetworkDriver”);

Answer: B

NEW QUESTION 5
Given the code fragment:
Stream<Path> files = Files.walk(Paths.get(System.getProperty(“user.home”))); files.forEach (fName -> { //line n1
try {
Path aPath = fName.toAbsolutePath(); //line n2 System.out.println(fName + “:”
+ Files.readAttributes(aPath, Basic.File.Attributes.class).creationTime ());
} catch (IOException ex) { ex.printStackTrace();
});
What is the result?

• A. All files and directories under the home directory are listed along with their attributes.
• B. A compilation error occurs at line n1.
• C. The files in the home directory are listed along with their attributes.
• D. A compilation error occurs at line n2.

Answer: A

NEW QUESTION 6
Given that version.txt is accessible and contains: 1234567890
and given the code fragment:

What is the result?

• A. 121
• B. 122
• C. 135
• D. The program prints nothing.

Answer: B

NEW QUESTION 7
Given the code fragment:
List<String> nL = Arrays.asList(“Jim”, “John”, “Jeff”); Function<String, String> funVal = s -> “Hello : “.contact(s); nL.Stream()
.map(funVal)
.peek(System.out::print); What is the result?

• A. Hello : Jim Hello : John Hello : Jeff
• B. Jim John Jeff
• C. The program prints nothing.
• D. A compilation error occurs.

Answer: C

NEW QUESTION 8
Given the code fragment:

and the information:
The required database driver is configured in the classpath.
The appropriate database is accessible with the dbURL, username, and passWord exists. What is the result?

• A. A ClassNotFoundException is thrown at runtime.
• B. The program prints nothing.
• C. The program prints Connection Established.
• D. A SQLException is thrown at runtime.

Answer: C

NEW QUESTION 9
Given the code fragments :

and

What is the result?

• A. TV Price :110 Refrigerator Price :2100
• B. A compilation error occurs.
• C. TV Price :1000 Refrigerator Price :2000
• D. The program prints nothing.

Answer: C

NEW QUESTION 10
Given the code fragment:
String str = “Java is a programming language”; ToIntFunction<String> indexVal = str: : indexOf; //line n1 int x = indexVal.applyAsInt(“Java”); //line n2
System.out.println(x); What is the result?

• A. 1
• B. A compilation error occurs at line n1.
• C. A compilation error occurs at line n2.

Answer: A

NEW QUESTION 11
Given:
1. abstract class Shape {
2. Shape ( ) { System.out.println (“Shape”); }
3. protected void area ( ) { System.out.println (“Shape”); } 4. }
5.
6. class Square extends Shape {
7. int side;
8. Square int side {
9. /* insert code here */
10. this.side = side;
11. }
12. public void area ( ) { System.out.println (“Square”); }
13. }
14. class Rectangle extends Square {
15. int len, br;
16. Rectangle (int x, int y) {
17. /* insert code here */
18. len = x, br = y;
19. }
20. void area ( ) { System.out.println (“Rectangle”); }
21. }
Which two modifications enable the code to compile? (Choose two.)

• A. At line 1, remove abstract
• B. At line 9, insert super ( );
• C. At line 12, remove public
• D. At line 17, insert super (x);
• E. At line 17, insert super (); super.side = x;
• F. At line 20, use public void area ( ) {

Answer: DF

NEW QUESTION 12
Given:

and the code fragment:

What is the result?

• A. A compilation error occurs at line n1.
• B. An Exception is thrown at run time.
• C. 2

Answer: B

NEW QUESTION 13
Given:
class Book { int id;
String name;
public Book (int id, String name) { this.id = id;
this.name = name;
}
public boolean equals (Object obj) { //line n1 boolean output = false;
Book b = (Book) obj;
if (this.name.equals(b name))} output = true;
}
return output;
}
}
and the code fragment:
Book b1 = new Book (101, “Java Programing”); Book b2 = new Book (102, “Java Programing”); System.out.println (b1.equals(b2)); //line n2 Which statement is true?

• A. The program prints true.
• B. The program prints false.
• C. A compilation error occur
• D. To ensure successful compilation, replace line n1 with:boolean equals (Book obj) {
• E. A compilation error occur
• F. To ensure successful compilation, replace line n2 with: System.out.println (b1.equals((Object) b2));

Answer: A

NEW QUESTION 14
Which action can be used to load a database driver by using JDBC3.0?

• A. Add the driver class to the META-INF/services folder of the JAR file.
• B. Include the JDBC driver class in a jdbc.properties file.
• C. Use the java.lang.Class.forName method to load the driver class.
• D. Use the DriverManager.getDriver method to load the driver class.

Answer: C

NEW QUESTION 15
Given:

What is the result?

• A. –catch--finally--dostuff-
• B. –catch-
• C. –finally--catch-
• D. –finally-dostuff--catch-

Answer: C

NEW QUESTION 16
Which two code blocks correctly initialize a Locale variable? (Choose two.)

• A. Locale loc1 = "UK";
• B. Locale loc2 = Locale.getInstance("ru");
• C. Locale loc3 = Locale.getLocaleFactory("RU");
• D. Locale loc4 = Locale.UK;
• E. Locale loc5 = new Locale ("ru", "RU");

Answer: DE

NEW QUESTION 17
Given the code fragment:
Path file = Paths.get (“courses.txt”);
// line n1
Assume the courses.txt is accessible.
Which code fragment can be inserted at line n1 to enable the code to print the content of the courses.txt file?

• A. List<String> fc = Files.list(file); fc.stream().forEach (s - > System.out.println(s));
• B. Stream<String> fc = Files.readAllLines (file); fc.forEach (s - > System.out.println(s));
• C. List<String> fc = readAllLines(file); fc.stream().forEach (s - > System.out.println(s));
• D. Stream<String> fc = Files.lines (file); fc.forEach (s - > System.out.println(s));

Answer: D

NEW QUESTION 18
Given the code fragment:
public class FileThread implements Runnable { String fName;
public FileThread(String fName) { this.fName = fName; } public void run () System.out.println(fName);}
public static void main (String[] args) throws IOException, InterruptedException {
ExecutorService executor = Executors.newCachedThreadPool(); Stream<Path> listOfFiles = Files.walk(Paths.get(“Java Projects”)); listOfFiles.forEach(line -> {
executor.execute(new FileThread(line.getFileName().toString ())); //
line n1
});
executor.shutdown(); executor.awaitTermination(5, TimeUnit.DAYS); // line n2
}
}
The Java Projects directory exists and contains a list of files. What is the result?

• A. The program throws a runtime exception at line n2.
• B. The program prints files names concurrently.
• C. The program prints files names sequentially.
• D. A compilation error occurs at line n1.

Answer: B

NEW QUESTION 19
Given the Greetings.properties file, containing:

and given:

What is the result?

• A. Compilation fails.
• B. GOODBY_MSG
• C. Hello, everyone!
• D. Goodbye everyone!
• E. HELLO_MSG

Answer: A

NEW QUESTION 20
Given:
public class Canvas implements Drawable { public void draw () { }
}
public abstract class Board extends Canvas { }
public class Paper extends Canvas { protected void draw (int color) { }
}
public class Frame extends Canvas implements Drawable { public void resize () { }
}
public interface Drawable { public abstract void draw ();
}
Which statement is true?

• A. Board does not compile.
• B. Paper does not compile.
• C. Frame does not compile.
• D. Drawable does not compile.
• E. All classes compile successfully.

Answer: E

NEW QUESTION 21
......