Given:

What is the result?

Given:
Book.java:
public class Book {
private String read(String bname) { return "Read" + bname }
}
EBook.java:
public class EBook extends Book {
public class String read (String url) { return "View" + url }
}
Test.java:
public class Test {
public static void main (String[] args) {
Book b1 = new Book();
b1.read("Java Programing");
Book b2 = new EBook();
b2.read("http://ebook.com/ebook");
}
}
What is the result?

Which two statements are true about synchronization and locks? (Choose two.)

Given that these files exist and are accessible:

and given the code fragment:

Which code fragment can be inserted at line n1to enable the code to print only /company/emp?
Stream<Path> stream = Files.list (Paths.get ("/company"));

Which two statements are true for a two-dimensional array of primitive data type?