Q. Which of the following is TRUE? (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). 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (D) A class has always a constructor (possibly automatically supplied by the java compiler).