Data Types in Java - Multiple Choice Questions and Answers
Questions
6
Integer is a
Answer: Option [D]
Byte, Short, Integer, Long, Character, Boolean, Double, Float are called wrapper class in Java.
7
Which of the following variable declaration would not compile in Java program?
Answer: Option [C]
It is illegal to declare a variable name by using integer in the start place.
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8
Among these expressions, which is(are) of type String?
Answer: Option [A]
"0" is correct. Because String literals are enclosed within double quotes.
9
Which of the following line will not compile assuming b1, b2 and b3 are byte variables and J is Int variable?
Answer: Option [C]
10 is an integer variable and b1 is a byte variable. The multiplication of these two results an integer variable which cannot be stored in b3
10
Which are the valid declarations for an integer literal?
I. 0
II. -5
III. 0416
IV. 0xabcdef
Answer: Option [D]
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