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Welcome to the Interfaces and Packages MCQs Page

Dive deep into the fascinating world of Interfaces and Packages with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Interfaces and Packages, a crucial aspect of Java Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Interfaces and Packages, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Java Programming.

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Check out the MCQs below to embark on an enriching journey through Interfaces and Packages. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Java Programming.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Interfaces and Packages. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Interfaces and Packages MCQs | Page 10 of 12

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Q91.
What is the maximum number of Java Class files that can be kept inside a single Java Package?

a.

8

b.

64

c.

128

d.

Unlimited

Discuss
Answer: (d).Unlimited
Q92.
Can you compile a Java file kept inside a directory without mentioning the package name? 
folder_1
     ----- SomeFile.java
.
.
//SomeFile.java
//no package declaration
//package folder_1; commented
public class SomeFile
{

}

a.

Yes

b.

No

c.

May be Yes or No

d.

Can't Say

Discuss
Answer: (a).Yes
Q93.
The name of a package is the name of the ___ in Java.

a.

folder

b.

All parent folders separated by DOT symbols

c.

All parent packages separated by DOT symbols

d.

All the above

Discuss
Answer: (d).All the above
Q94.
It is possible to declare a package and import another package within the same Java class file. State TRUE or FALSE.

a.

TRUE

b.

FALSE

c.

May be TRUE or FALSE

d.

Can't Say

Discuss
Answer: (a).TRUE
Q95.
The keyword used to import a package into Java class or Interface is ___.

a.

import

b.

download

c.

use

d.

None of the above

Discuss
Answer: (a).import
Q96.
Which is the correct syntax to import a Java package below?

a.

import PACKAGE1.*;

b.

import PACKAGE1.CLASS1;

c.

import PACKAGE1.PACKAGE2.PACKAGE3.*;

d.

All the above

Discuss
Answer: (d).All the above
Q97.
Choose correct declaration and importing of packages in Java.

a.

package SOMEPACKAGE;
import PACKAGE_N.*;

b.

import PACKAGE_N.*;
package SOMEPACKAGE;

c.

import PACKAGE_M.*;
package SOMEPACKAGE;
import PACKAGE_N.*;

d.

All the above

Discuss
Answer: (a).package SOMEPACKAGE;
import PACKAGE_N.*;
Q98.
You can use the same name for a Parent package and Child package in Java. State TRUE or FALSE.

a.

TRUE

b.

FALSE

c.

May be TRUE or FALSE

d.

Can't Say

Discuss
Answer: (a).TRUE
Q99.
What is the maximum number of levels or depth up to which sub-packages can be defined in Java?

a.

8

b.

16

c.

32

d.

There is no limit

Discuss
Answer: (d).There is no limit
Q100.
Choose a correct statement below about importing packages into a class.

a.

A Java class or interface can import any number of packages.

b.

It is advised to import only the required Classes of a package to save memory.

c.

Java packages are usually distributed in the form of JAR files.

d.

All the above

Discuss
Answer: (d).All the above
Page 10 of 12

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