Which of the following data types would you use to store a single character such as 'A' or '$' in Java?

In Java, what is the keyword used to create a subclass that inherits from a parent class?

Which keyword is used to declare a constant variable in Java, ensuring its value cannot be changed once assigned?

Which of these is the correct way to declare and initialize an array of integers with the values 1, 2, and 3 in Java?

Which method is the mandatory entry point for any standalone Java application?

Which of the following is the correct conditional statement to check if two String variables, named "str1" and "str2", have the same text content?

Which of the following access modifiers ensures that a variable or method can only be accessed within the same class it is declared in?