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n the following statement: public abstract class Vehicle extends DD implements Car{ . . . } DD must implement all default methods in Car interface.   Select one: True False

n the following statement: public abstract class Vehicle extends DD implements Car{ . . . } DD must implement all default methods in Car interface.   Select one: True False

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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1)

In the following statement:

public abstract class Vehicle extends DD implements Car{ . . . }

DD must implement all default methods in Car interface.


 

Select one:
True
False
2)

private HashMap<String,Character> wordsPart1; 

is a valid statement in Java

Select one:
True
False
3)

In the following code:

public interface Lambdas extends Shape{

    void print();

    void printOdds(int n);

}

Select one:
a.

Both Lambdas and Shape are classes

b.

None of these

c.

Both Lambdas and Shape are interfaces 

d.

Lambdas is and interface but Shape is a class

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