What is the range of byte data type in Java?
A. -128 to 127
B. -32768 to 32767
C. -2147483648 to 2147483647
D. None of the mentioned
Answer: Option A
A. -128 to 127
B. -32768 to 32767
C. -2147483648 to 2147483647
D. None of the mentioned
Answer: Option A
Which of the following is not a valid identifier for a Java variable?
A. my_var
B. _myVar
C. 3rdVar
D. $var
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