a. In java, an instance field declared public generates a compilation error.
b. int is the name of a class available in the package java.lang
c. Instance variable names may only contain letters and digits.
d. A class has always a constructor (possibly automatically supplied by the java compiler).
Answer:
d. A class has always a constructor (possibly automatically supplied by the java compiler).
Explanation:
In java, an instance field declared public generates a compilation error. Instance variable names may only contain letters and digits. A class has always a constructor (possibly automatically supplied by the java compiler). The more comments in a program, the faster the program runs.
