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Explanation:
The length of the short data is 16 bits. The range of short is
The length of the short data is 16 bits. The range of short is
Correct Answer: D 9 of 60
Question: 10
Which one of the following ranges of byte is correct?
Correct Answer: B 10 of 60
Question: 11
WWW.CN-MPA.COM 2004-5-27 22:14:08
Given the following fragment of code, what are results of i and j after execution?
int i = 1;
int j;
j = i++;
A. 1, 1
B. 1, 2
C. 2, 1
D. 2, 2
Explanation:
Pay attention to the position of the operator ++. In this question, first j is assigned to 1, then the value of i is added to 2.
Correct Answer: C 11 of 60
Question: 12
Which of the following statements are true?
A. >> is the arithmetic right shift operator.
B. >> is the logical right shift operator.
C. >>> is the arithmetic right shift operator.
D. >>> is the logical right shift operator.
Explanation:
There are two right shift operators in Java. They are >> and >>>. >> is the arithmetic(signed) right shift operator and >>> is the logical(unsigned) right shift operator.
Correct Answer: A,D 12 of 60
Question: 13
Which of the following assignments are legal?
A. float a = 2.0
B. double b = 2.0
C. int c = 2
D. long d = 2
Explanation:
In Java the default data type of floating point is double, not float. The assignment from double to float requires an explicit cast.
Correct Answer: B,C,D 13 of 60
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