Question

I'm doing a practice test and I can't seem to find the answers anywhere for these specific questions. If someone could please help clarify so I can learn that would be helpful!

5.

3. public class Person {
4. private double salary;
5. public Person() {
6. salary = 1000.0;
7. }

What type of constructor is illustrated by lines 5 through 7?

6. Identify the true statements. Select ALL that apply.

a. Constants in a class should be declared as final static.

b. Static variables and static methods of a class can be accessed by an object of that class and by the class name.

c. Static variables have a default value of null.

d. Anonymous objects are possible in Java.

7. What Java keyword sometimes used in a class definition refers to the class itself?

Answer 1

7 No-argument constructor

since this constructor does not have any parameter

6 true statement

a. Constants in a class should be declared as final static.

b. Static variables and static methods of a class can be accessed by an object of that class and by the class name.

d . Anonymous objects are possible in Java.

7 this