In object-oriented programming, which of the following statements about instance variables are correct:An instance variable of the type boolean defaults to false.An instance variable of the type boolean defaults to true.An instance variable of the type int defaults to 0.An instance variable of the type int defaults to null.

Which of the following statements regarding instance variables are false? You can select more than one statement.Group of answer choicesInstance variables are defined inside a method.Instance variables maintain the "state" of an object.An instance variable is unique to an object.An instance variable is unique to a class.An attribute of a class can be an instance variable.

Which of the following statements is false? Please select all that apply.Group of answer choicesSince addresses are integers, we can assign an int value to a reference variable.A variable of a reference type holds a reference to where an object is stored in the memory.A variable of a primitive type holds a value of the primitive type.Local variables do not have default values.

Which of the following statements are true? Please select all that applyGroup of answer choicesLocal variables do not have default values.Data fields have default values.A variable of a primitive type holds a value of the primitive type.A variable of a reference type holds a reference to where an object is stored in the memory.You may assign an int value to a reference variable.

Which of the following statements is correct? Please select all that apply.   Group of answer choicesA reference variable references to an object.A data field in a class must be of a primitive type.A reference variable is an object.A data field in a class should be an instance type.

What is the default value of a boolean data type in Java if it is not explicitly initialized?