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Question 1
Given:
What is the result?
- A: 200.0 : 100.0
- B: 400.0 : 200.0
- C: 400.0 : 100.0
- D: Compilation fails.
Question 2
Given the code fragment:
What is the result?
- A: Match 1
- B: Match 2
- C: No Match
- D: A NullPointerException is thrown at runtime.
Question 3
Given:
What is the result?
- A: Compilation fails at line n3 and line n4.
- B: Compilation fails at line n1 and line n2.
- C: Welcome Visit Count:1 Welcome Visit Count: 1
- D: Welcome Visit Count:1 Welcome Visit Count: 2
Question 4
Given the code fragment:
What is the result?
- A: Compilation fails at both line n1 and line n2.
- B: Compilation fails only at line n2.
- C: Compilation fails only at line n1.
- D: Jesse 25 Walter 52
Question 5
Given the code fragment:
What is the result?
- A: 5 : 5
- B: 10 : 10
- C: 5 : 10
- D: Compilation fails.
Question 6
Given the code fragment:
What is the result?
- A: A NullPointerException is thrown at runtime.
- B: [1, 2, 4]
- C: [1, 2, 4, null]
- D: [1, 3, 4, null]
- E: [1, 3, 4]
- F: Compilation fails.
Question 7
Given:
What is the result?
- A: 10 20 30 40
- B: 0 0 30 40
- C: Compilation fails.
- D: An exception is thrown at runtime.
Question 8
Which two code fragments cause a compilation error? (Choose two.)
- A: float flt = 100.00F;
- B: float flt = (float) 1_11.00;
- C: Float flt = 100.00;
- D: double y1 = 203.22; float flt = y1;
- E: int y2 = 100; float flt = (float) y2 ;
Question 9
Given:
What is the result?
A.
B.
C.
D.
Question 10
Which three statements are true about exception handling? (Choose three.)
- A: Only unchecked exceptions can be rethrown.
- B: All subclasses of the RuntimeException class are not recoverable.
- C: The parameter in a catch block is of Throwable type.
- D: All subclasses of the RuntimeException class must be caught or declared to be thrown.
- E: All subclasses of the RuntimeException class are unchecked exceptions.
- F: All subclasses of the Error class are not recoverable.
Question 11
Given the code fragment:
What is the result?
- A: An exception is thrown at runtime.
- B: -1
- C: 5
- D: 10
Question 12
Given:
And given the code fragment:
Book book1 = new EBook();
book1.readBook();
Which option enables the code to compile?
- A: Option A
- B: Option B
- C: Option C
- D: Option D
Question 13
Given:
What is the result?
- A: false, false
- B: false, true
- C: true, false
- D: true, true
Question 14
Which two statements are true? (Choose two.)
- A: Error class is unextendable.
- B: Error class is extendable.
- C: Error is a RuntimeException.
- D: Error is an Exception.
- E: Error is a Throwable.
Question 15
Given the code fragment:
What is the result?
- A: Compilation fails.
- B: 0 Found
- C: 1 Found
- D: 3 Found
Question 16
Given the code fragment:
What is the result?
- A: An exception is thrown at runtime.
- B: 07-31-2014
- C: 2014-07-31
- D: 2014-09-30
Question 17
Given:
And given the commands:
What is the result?
- A: Java SE
- B: Java EE
- C: Compilation fails at line n1.
- D: A NullPointerException is thrown at runtime.
Question 18
Given this class:
And given this main method, located in another class:
Which three pieces of code, when inserted independently, set the value of amount to 100? (Choose three.)
A.
B.
C.
D.
E.
F.
Question 19
Given the code fragments:
What is the result?
- A: Compilation fails only at line n2.
- B: RTool::export Tool::export
- C: Tool::export Tool:export
- D: Compilation fails only at line n1.
- E: Compilation fails at both line n1 and line n2.
Question 20
Given the code fragment:
What is the result?
- A: An exception is thrown at runtime.
- B: Compilation fails.
- C: 13480.0
- D: 13480.02
Question 21
Given:
And given the code fragment:
What is the result?
- A: 300:300 200:300
- B: 300:100 200:300
- C: 300:0 0:300
- D: 100:300 300:200
Question 22
Given:
And given the code fragment:
What is the result?
- A: C2C2
- B: C1C2
- C: C1C1
- D: Compilation fails
Question 23
Given:
What is the result?
- A: A B C D
- B: A C D
- C: A C D D
- D: A B D
- E: A B D C
Question 24
Given:
Given the code fragment:
Which two sets of actions, independently, enable the code fragment to print Fit?
- A: At line n1 insert: import clothing.Shirt; At line n2 insert: String color = Shirt.getColor();
- B: At line n1 insert: import clothing; At line n2 insert: String color = Shirt.getColor();
- C: At line n1 insert: import static clothing.Shirt.getColor; At line n2 insert: String color = getColor();
- D: At line n1 no changes required. At line n2 insert: String color = Shirt.getColor();
- E: At line n1 insert: import Shirt; At line n2 insert: String color = Shirt.getColor();
Question 25
Given the code fragments:
And:
Which statement is true?
- A: After line 11, three objects are eligible for garbage collection.
- B: After line 11, two objects are eligible for garbage collection.
- C: After line 11, one object is eligible for garbage collection.
- D: After line 11, none of the objects are eligible for garbage collection.
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