1. Which of the following is NOT true about encapsulation? * Loosely called "information hiding" Separates the interface of an object from its implementation The interface consists of the outside view of an object The implementation of the behavior should be visible to other objects O None of the above 2. Which of the following statements is/are TRUE? To allow all classes, regardless of their package declaration, access an object's feature, it must be declared as default. java.util is an example of a user-defined package. I. I. I only Il only Both I and II Neither I nor || 3. Which of the following is wrong when encapsulating a class? * All instance attributes should be set to private Setting the constructor to private will not allow objects to be instantiated Methods are always public to allow other classes to call them If public and default both works as access O modifier for class, choose the more strict one (default) None of the above
1. Which of the following is NOT true about encapsulation? * Loosely called "information hiding" Separates the interface of an object from its implementation The interface consists of the outside view of an object The implementation of the behavior should be visible to other objects O None of the above 2. Which of the following statements is/are TRUE? To allow all classes, regardless of their package declaration, access an object's feature, it must be declared as default. java.util is an example of a user-defined package. I. I. I only Il only Both I and II Neither I nor || 3. Which of the following is wrong when encapsulating a class? * All instance attributes should be set to private Setting the constructor to private will not allow objects to be instantiated Methods are always public to allow other classes to call them If public and default both works as access O modifier for class, choose the more strict one (default) None of the above
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Please answer the following questions:
Transcribed Image Text:1. Which of the following is NOT true about
encapsulation? *
Loosely called "information hiding"
Separates the interface of an object from
its implementation
The interface consists of the outside view
of an object
The implementation of the behavior should
be visible to other objects
O None of the above
2. Which of the following statements is/are
TRUE?
To allow all classes, regardless of their package declaration, access an object's feature,
it must be declared as default.
java.util is an example of a user-defined package.
I.
I.
I only
Il only
Both I and II
Neither I nor ||
3. Which of the following is wrong when
encapsulating a class? *
All instance attributes should be set to
private
Setting the constructor to private will not
allow objects to be instantiated
Methods are always public to allow other
classes to call them
If public and default both works as access
O modifier for class, choose the more strict
one (default)
None of the above
Transcribed Image Text:4. Which line(s) of code will produce an
error?
package letter;
package shape;
import letter.A;
import letter.B;
public class A {
private int x;
void getX() {}
| }
public class Round {
void getCircumference() {
A a1 = new A();
B b1 = new B();
a1.getX(); (3)
b1. write(); (4)
}
package letter;
public class B {
public void write() {
A a1 = new A();
a1.x = 2; (1)
a1.getX(); (2)
}
}
O 1 and 2 only
O 1 and 3 only
2 and 3 only
O 3 and 4 only
O 1, 2, and 3 only
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