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Oracle Java SE 8 Programmer II Sample Questions (Q96-Q101):

NEW QUESTION # 96
Given the code fragment:
public static void main (String[] args) throws IOException {
BufferedReader brCopy = null;
try (BufferedReader br = new BufferedReader (new FileReader("employee.txt"))) { //
line n1
br.lines().forEach(c -> System.out.println(c));
brCopy = br;//line n2
}
brCopy.ready(); //line n3;
}
Assume that the ready method of the BufferedReader, when called on a closed BufferedReader, throws an
exception, and employee.txt is accessible and contains valid text.
What is the result?

A. A compilation error occurs at line n3.
B. A compilation error occurs at line n2.
C. A compilation error occurs at line n1.
D. The code prints the content of the employee.txt file and throws an exception at line n3.

Answer: D

NEW QUESTION # 97
Given:

and the code fragment:

What is the result?

A. An exception is thrown at line n2.
B. A compilation error occurs at line n1.
C. 0
D. A compilation error occurs because the try block is declared without a catch or finally block.

Answer: C

NEW QUESTION # 98
Given:
final class Folder {//line n1 //line n2 public void open () { System.out.print("Open"); } } public class Test { public static void main (String [] args) throws Exception { try (Folder f = new Folder()) { f.open(); } } } Which two modifications enable the code to print Open Close?

A. Replace line n1 with:
class Folder extends Exception {
B. Replace line n1 with:
class Folder extends Closeable {
C. At line n2, insert:
public void close () throws IOException {
System.out.print("Close");
}
D. Replace line n1 with:
class Folder implements AutoCloseable {
E. At line n2, insert:
final void close () {
System.out.print("Close");
}

Answer: A,D

NEW QUESTION # 99
Given the code fragments:

and

Which two modifications enable to sort the elements of the emps list? (Choose two.)

A. Replace line n1 withclass Person implements Comparable<Person>
B. At line n2 insert:public int compareTo (Person p, Person p2) {return p1.name.compareTo (p2.name);}
C. At line n2 insertpublic int compare (Person p1, Person p2) {return p1.name.compareTo (p2.name);}
D. At line n2 insertpublic int compareTo (Person p) {return this.name.compareTo (p.name);}
E. Replace line n1 withclass Person implements Comparator<Person>
F. Replace line n1 withclass Person extends Comparator<Person>

Answer: A,D

NEW QUESTION # 100
Given the code fragment:

What is the result?

A. 5 : 3 : 6
B. 6 : 5 : 6
C. 4 : 4 : 4
D. 3 : 3 : 4

Answer: A

NEW QUESTION # 101
......

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