What is the purpose of File class?

Java Programming Language > Fundamentals of Object-Oriented Programming > About Java Tutorial

Short Question

950

Answer:

It is used to create objects that provide access to the files and directories of a local file system.

Go to Question List

This Particular section is dedicated to Question & Answer only. If you want learn more about Java Programming Language. Then you can visit below links to get more depth on this subject.

Java Syllabus

Java Tutorial

Java Chapterwise Programs

Java Chapterwise MCQs

Java Chapterwise Q & A

# C Tutorials # JAVA Tutorials # HTML Tutorials # Computer Fundamental # Data Structure # DBMS Tutorials SQL # C# Language # R Language # PHP # Python # Vue JS

Join Our telegram group to ask Questions

Click below button to join our groups.

Ask Question - CSE

Programming Language - PDF

Related Program List

144. What is the difference between the Reader/Writer class hierarchy and the InputStream/OutputStream class hierarchy?

Answer: The Reader/Writer class hierarchy is character-oriented, and the InputStream/OutputStream class hierarchy is byte-oriented.

# Tutorial: About Java Tutorial

Question: Fundamentals of Object-Oriented Programming Short

145. Which class should you use to obtain design information about an object?

Answer: The Class class is used to obtain information about an object's design and java.lang.Class class instance represent classes, interfaces in a running Java application.

# Tutorial: About Java Tutorial

Question: Fundamentals of Object-Oriented Programming Short

146. What is the difference between static and non-static variables?

Answer: A static variable is associated with the class as a whole rather than with specific instances of a class. Non-static variables take on unique values with each object instance.

# Tutorial: About Java Tutorial

Question: Fundamentals of Object-Oriented Programming Short

147. What is Serialization and deserialization?

Answer: Serialization is the process of writing the state of an object to a byte stream. Deserialization is the process of restoring these objects.

# Tutorial: About Java Tutorial

Question: Fundamentals of Object-Oriented Programming Short

148. What are use cases?

Answer: It is part of the analysis of a program and describes a situation that a program might encounter and what behavior the program should exhibit in that circumstance.

# Tutorial: About Java Tutorial

Question: Fundamentals of Object-Oriented Programming Short

149. Explain the use of sublass in a Java program?

Answer: Sub class inherits all the public and protected methods and the implementation. It also inherits all the default modifier methods and their implementation.

# Tutorial: About Java Tutorial

Question: Fundamentals of Object-Oriented Programming Short

150. How to add menushortcut to menu item?

Answer: If there is a button instance called b1, you may add menu short cut by calling b1.setMnemonic('F'), so the user may be able to use Alt+F to click the button.

# Tutorial: About Java Tutorial

Question: Fundamentals of Object-Oriented Programming Short

151. Can you write a Java class that could be used both as an applet as well as an application?

Answer: Yes, just add a main() method to the applet.

# Tutorial: About Java Tutorial

Question: Class, Object and Methods in java Short

152. What is the difference between Swing and AWT components?

Answer: AWT components are heavy-weight, whereas Swing components are lightweight. Heavy weight components depend on the local windowing toolkit. For example, java.awt.Button is a heavy weight component, when it is running on the Java platform for Unix platform, it maps to a real Motif button.

# Tutorial: About Java Tutorial

Question: Java Evaluation Short

153. What's the difference between constructors and other methods?

Answer: Constructors must have the same name as the class and can not return a value. They are only called once while regular methods could be called many times.

# Tutorial: About Java Tutorial

Question: Class, Object and Methods in java Short

Chapterwise Java Program
Chapterwise C Program
Chapterwise Data Structure Program