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Q1. Given:
What is the result?
A. 2 4 6 8
B. 2 4 6 8 9
C. 1 3 5 7
D. 1 3 5 7 9
Answer: D
Q2. Which two are Java Exception classes?
A. SercurityException
B. DuplicatePathException
C. IllegalArgumentException
D. TooManyArgumentsException
Answer: AC
Q3. Given the code fragment:
How many times is 2 printed?
A. Zero
B. Once
C. Twice
D. Thrice
E. It is not printed because compilation fails
Answer: B
Q4. What is the result?
A. 3 false 1
B. 2 true 3
C. 2 false 3
D. 3 true 1
E. 3 false 3
F. 2 true 1
G. 2 false 1
Answer: D
Q5. Given:
What will be the output?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: D
Q6. Given the class definitions:
And the code fragment of the main() method,
What is the result?
A. Java
Java
Java
B. Java
Jeve
va
C. Java
Jeve
ve
D. Compilation fails
Answer: D
Q7. Given:
Which two declarations will compile?
A. int a, b, c = 0;
B. int a, b, c;
C. int g, int h, int i = 0;
D. int d, e, F;
E. int k, l, m; = 0;
Answer: AD
Q8. Which statement will empty the contents of a StringBuilder variable named sb?
A. sb.deleteAll();
B. sb.delete(0, sb.size());
C. sb.delete(0, sb.length());
D. sb.removeAll();
Answer: C
Q9. What is the proper way to defined a method that take two int values and returns their sum as an int value?
A. int sum(int first, int second) { first + second; }
B. int sum(int first, second) { return first + second; }
C. sum(int first, int second) { return first + second; }
D. int sum(int first, int second) { return first + second; }
E. void sum (int first, int second) { return first + second; }
Answer: D
Q10. Which two statements are true for a two-dimensional array?
A. It is implemented as an array of the specified element type.
B. Using a row by column convention, each row of a two-dimensional array must be of the same size.
C. At declaration time, the number of elements of the array in each dimension must be specified.
D. All methods of the class Object may be invoked on the two-dimensional array.
Answer: AD