ZuoTi.Pro
Question

Question 23 1 pts An interface can extend from: Abstract classes only None of the choices olololo Both abstract classes and ijava

engineering   Computer-Science   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

d. interfaces only

EXPLANATION: interfaces can not define methods, and therefore they can not extend abstract class and classes. It is used to provide a blueprint to a class and not to define the methods. Therefore it can not extends anything other than interface

FOR ANY OTHER QUERY PLEASE COMMENT.

0 0
Add a comment
Know the answer?
Add Answer to:
java Question 23 1 pts An interface can extend from: Abstract classes only None of the...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • In Java, A class can implement multiple interfaces   A class can extend multiple super classes A...

    In Java, A class can implement multiple interfaces   A class can extend multiple super classes A class can extend multiple super classes and implement multiple interfaces None of the above

  • (Java) Please describe how API's can be created using abstract classes, interfaces and regular classes.

    (Java) Please describe how API's can be created using abstract classes, interfaces and regular classes.

  • In this lab you will work with abstract classes/interfaces. (Java Program) You will be implementing a...

    In this lab you will work with abstract classes/interfaces. (Java Program) You will be implementing a basic employee schema within a company. The Employee class will be an abstract class that will contain methods applicable to all employees. You will then create 2 classes called SoftwareEngineer and ProductManager. Both are different employee types based on occupation. You will create an interface called Developer which will consist of specific methods that apply to only Developers (e.g. SoftwareEngineer class will implement this,...

  • Abstract classes and Interfaces problems 10. Explain one similarity and one difference between abstract classes and...

    Abstract classes and Interfaces problems 10. Explain one similarity and one difference between abstract classes and interfaces. 11. Consider the following declarations. public interface Shape{ int someFunction(Shape other); //other functions not shown } public class Square implements Shape {/*implementation not shown*/} Which of the following function headings of someFunction must be added to the declaration of the Square class such that it will satisfy the Shape interface? public int someFunction (Shape other) public int someFunction (Square other) public boolean someFunction(Object...

  • JAVA question Interface and Abstract Class (20 pts): There are three types of triangles in terms...

    JAVA question Interface and Abstract Class (20 pts): There are three types of triangles in terms of how many sides are equal: • Equilateral Isosceles Scalene There are three types of triangles in terms of the degrees of interior angles: • Right · Acute . Obtuse Right Isosceles triangle is a right triangle, as well as an isosceles triangle. Triangle 590° Right triangle Isosceles triangle Right isosceles triangle Create a public interface Triangle, add the following method signatures: • double...

  • Question 60.1 pts Which of the following is true about a concrete class? A concrete class...

    Question 60.1 pts Which of the following is true about a concrete class? A concrete class may be extended. A concrete class may be instantiated. A concrete may NOT contain abstract methods. All of the above. None of the above. Flag this Question Question 70.1 pts Which of the following is true? A class extends exactly one other class and may implement any number of interfaces. A class may extend at most one concrete class, may extend any number of...

  • Topic: JAVA 18) Abstract methods are used when defining A) interface classes B) derived classes C)...

    Topic: JAVA 18) Abstract methods are used when defining A) interface classes B) derived classes C) classes that have no constructor D) arrays E) classes that have no methods 32) Which of the following GUI classes requires that it have a LayoutManager before any GUI components are added to it? A) JButton B) JSlider C) JPanel D) JFrame E) both C and D but not A or B 33) In using the BoxLayout, adding space between components in a container...

  • ceinterface Interface1 Abstract eeinterfaces Interface ceinterface Interface Classi Class Class3 Classe Interfacet obji - new class3();...

    ceinterface Interface1 Abstract eeinterfaces Interface ceinterface Interface Classi Class Class3 Classe Interfacet obji - new class3(); Abstracti obj2 = new Class1(); object obj3 = new Class2); class3 obj4 new Class4(); a) [1 pt) Is obji instanceof Interface? O True O False O True O False b) f1 pt) Is obj3 instanceof Interface1? c) (1 pt] Is obj4 instanceof Interfaces ? O True O False d) (1 pt) Is obj2 instanceof Interface1? O True False e) (2 pts each] State the...

  • Abstract classes and Interfaces problems 10. Explain one similarity and one difference between ab...

    Abstract classes and Interfaces problems 10. Explain one similarity and one difference between abstract classes and interfaces. 11. Consider the following declarations. public interface Shape{ int someFunction(Shape other); //other functions not shown } public class Square implements Shape {/*implementation not shown*/} Which of the following function headings of someFunction must be added to the declaration of the Square class such that it will satisfy the Shape interface? public int someFunction (Shape other) public int someFunction (Square other) public boolean someFunction(Object...

  • Question 1 If a method is marked as protected internal, who can access it? Classes that...

    Question 1 If a method is marked as protected internal, who can access it? Classes that are both in the same assembly and derived from the declaring class. Only methods that are in the same class as the method in question. Internal methods can only be called using reflection. Classes within the same assembly, and classes derived from the declaring class Question 2 To avoid having to use fully qualified referenced classes, you could: Add a reference to the class....

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT