Solved

Null Can Be Used

Question 18

Multiple Choice

null can be used:

A) to indicate a variable has no real value
B) in a Boolean expression with ==
C) as a placeholder
D) all of the above

Related Questions

Q9: Write a statement that creates a constant

Q12: To use a package,the program must contain

Q16: An example of secondary memory is:<br>A)RAM<br>B)ROM<br>C)hard disk<br>D)all

Q20: The program included in the Java SDK

Q21: The conversion from an object of a

Q23: Add a constructor and a copy constructor

Q23: Javadoc requires a comment to be delimited

Q28: All versions of Java support automatic boxing.

Q32: Primitive types are reference types.

Q38: You should avoid the use of null