please solve quickly

In the following statement: public abstract class Vehicle extends DD implements Car{...} DD can be an abstract class. Select one: O True O False Which of these is supported by method overriding in Java? Select one: O a. Polymorphism O b. Encapsulation O c. Abstraction O d. None of the mentioned Which of the following is true about the anonymous inner class? Select one: O a. Objects can't be created O b. It has only methods O c. It has no class name O d. It has a fixed class name Java allows extending multiple classes through a single class declaration statement such as public class Student extends Person, Human { //code goes here } Select one: O True False Given the following code snippet: ArrayList shapes = new ArrayList0; Scanner scan1=new Scanner(new File("DAVAAU/AAA\ adiusinfo.txt"); //This statement is equivalent to Scanner scant =new Scanner(new FileInputStream("D:LAALAAAA\ adiusinfo.txt"); while(scan.hasNext() { double radius; scan.nexto: radius=Double.parseDouble(scan.next(); shapes.add(new Circle(radius)): 1 Select one: O a. The compiler will report an error if Circle class does not extend Shape class b. The compiler will report an error if Shape class does not extend Circle class c. None of these d. The compiler will report an error Next page