The best field to be used as an index is the first field

The primary circuit board of a computer system is the ________

Fill in the blank(s) with correct word

Which of the following statements is false?

a) In any class that does not explicitly declare a constructor, the compiler provides a public default constructor (which always has no parameters). b) When a class has only the default constructor, the class’s instance variables are initialized to their default values: 0 for numeric simple types, false for simple type bool and null for all other types. c) If you declare one or more constructors for a class, the compiler will not create a default constructor for that class. d) If the compiler does not create a default constructor for an Account class, you will not be able to create an Account object with the expression new Account().