Given:
public class X {
}
and
public final class Y extends X {
}
What is the result of compiling these two classes?

• A.The compilation fails because there is no zero args constructor defined in class X.
• B.The compilation fails because either class X or class Y needs to implement the toString() method.
• C.The compilation fails because a final class cannot extend another class.
• D.The compilation succeeds.

Correct Answer: B

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Given:

What is the result?

• A.At once 1
• B.An indexOutofBoundsException is thrown at runtime.
• C.Hat at store 4
• D.Hat at store 1
• E.At once 0

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And the code fragment:

Which situation will occur on code fragment execution?

• A.Deadlock
• B.Race Condition
• C.Livelock
• D.Starvation

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Given:

What is the output?
banana orange apple lemon

• A.-----
  apple banana lemon orange
  -----
  -----
• B.banana orange apple lemon
  -----
  apple banana lemon orange
  -----
• C.-----
  -----
• D.-----
  banana orange apple lemon apple banana lemon orange
  banana orange apple lemon apple banana lemon orange
• E.-----
  -----

Correct Answer: D

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Given:

Which two lines inserted in line 1 will allow this code to compile? (Choose two.)

• A.private void walk(){}
• B.protected void walk(){}
• C.public abstract void walk();
• D.abstract void walk();
• E.void walk(){}

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