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Q31. Given the code fragment:
interface SampleClosable {
public void close () throws java.io.IOException;
}
Which three implementations are valid?
A. Option A
B. Option B
C. Option C
D. Option D
E. Option E
Answer: ACE
Q32. Give:
What value should replace kk in line x to cause jj = 5 to be output?
A. -1
B. 1
C. 5
D. 8
E. 11
Answer: E
Q33. Given:
Which approach ensures that the class can be compiled and run?
A. Put the throw new Exception() statement in the try block of try – catch
B. Put the doSomethingElse() method in the try block of a try – catch
C. Put the doSomething() method in the try block of a try – catch
D. Put the doSomething() method and the doSomethingElse() method in the try block of a try – catch
Answer: A
Q34. Which two are Java Exception classes?
A. SercurityException
B. DuplicatePathException
C. IllegalArgumentException
D. TooManyArgumentsException
Answer: AC
Q35. Given:
What code should be inserted?
A. Option A
B. Option B
C. Option C
D. Option D
E. Option E
F. Option F
Answer: C
Q36. What is the result?
A. Valid
B. Not valid
C. Compilation fails
D. An IllegalArgumentException is thrown at run time
Answer: C
Q37. What is the result?
A. They match They really match
B. They really match
C. They match
D. Nothing Prints
E. They really match They really match
Answer: B
Q38. Given the code fragment:
What could expression1 and expression2 be, respectively, in order to produce output –8, 16?
A. + +a, - -b
B. + +a, b-
C. A+ +, - - b
D. A + +, b -
Answer: D
Q39. Given the fragment:
A. 14
B. 15
C. 24
D. 25
E. 34
F. 35
Answer: F
Q40. Given the code fragment:
nt a = 0;
a++;
System.out.printIn(a++);
System.out.printIn(a);
What is the result?
A. 1 2
B. 0 1
C. 1 1
D. 2 2
Answer: A
