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Q31. Given:
What is the result?
A. true true
B. true false
C. false true
D. false false
E. Compilation fails
Answer: E
Q32. Given the fragment:
A. 14
B. 15
C. 24
D. 25
E. 34
F. 35
Answer: F
Q33. Which two statements are true?
C. An interface CANNOT be extended by another interface.
D. An interface can be extended by an abstract class.
E. An abstract class can be extended by a concrete class.
F. An abstract class CANNOT be extended by an abstract class.
Answer: AE
Q34. 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
Q35. What is the result?
A. Initialized
Started
B. Initialized
Started
Initialized
C. Compilation fails
D. An exception is thrown at runtime
Answer: B
Q36. given:
A. ns = 50 S = 125
ns = 125 S = 125
ns = 100 S = 125
B. ns = 50 S = 125
ns = 125 S = 125
ns = 0 S = 125
C. ns = 50 S = 50
ns = 125 S = 125
ns = 100 S = 100
D. ns = 50 S = 50
ns = 125 S = 125
ns = 0 S = 125
Answer: B
Q37. Given:
Javac Jump.java
Java Jump crazy elephant is always
What is the result?
A. Lazy lion is jumping
B. Lion is always jumping
C. Crazy elephant is jumping
D. Elephant is always jumping
E. Compilation fails
Answer: B
Q38. Given:
What is the result?
A. Compilation fails
B. The code compiles, but does not execute.
C. Paildrome
D. Wow
E. Mom
Answer: B
Q39. Given the fragments:
Which line causes a compilation error?
A. Line n1
B. Line n2
C. Line n3
D. Line n4
Answer: A
Q40. for ( expr1 ; expr2 ; expr3 ) {
statement;
}
Which two statements are true?
A. This is not the only valid for loop construct; there exits another form of for loop
constructor.
B. The expression expr1 is optional. it initializes the loop and is evaluated once, as the loop
begin.
C. When expr2 evaluates to false, the loop terminates. It is evaluated only after each
iteration through the loop.
D. The expression expr3 must be present. It is evaluated after each iteration through the
loop.
Answer: BC