What is the numerical range of a char data type in Java?
A. -128 to 127
B. 0 to 256
C. 0 to 32767
D. 0 to 65535
Answer: Option D
A. -128 to 127
B. 0 to 256
C. 0 to 32767
D. 0 to 65535
Answer: Option D
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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