Exploring the Diverse Applications of Java: From Web Development to Big Data
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Table of Content:
Java language was developed by Sun Microsystems in 1995. In subsequent years, the language has become the backbone of millions of applications across multiple platforms including Windows, Macintosh and UNIX-based desktops, Android-based mobiles, embedded systems and enterprise solutions. According to Oracle (that acquired Sun Microsystems in 2010), Every enterprise uses Java in one way or other. As per Oracle, more than 3 billion devices run applications designed on the development platform.

Java is used to design the following applications:
- Desktop GUI applications.
- Object Oriented Database.
- Embedded systems.
- Real Time System
- Artificial intelligence and expert system
- Web applications, including eCommerce applications, front and back office electronic trading systems, settlement and confirmation systems, data processing projects, and more.
- Web servers and application servers.
- Neural Network and parallel programming
- Simulation and Modelling
- Hypertext, hypermedia, and expert text.
- Mobile applications including Android applications.
- Decision support and office automation systems
- Enterprise applications.
- Scientific applications.
- CIM/CAD System
- Middleware products.
- Question 1: What is an assembler?
- Question 2: What is Singleton class?
- Question 3: What do you mean by Constructor?
- Question 4: List the three steps for creating an Object for a class?
- Question 5: What is the default value of byte datatype in Java?
- Question 6: What is the default value of float and double datatype in Java?
- Question 7: When a byte datatype is used?
- Question 8: What is a static variable?
- Question 9: What do you mean by Access Modifier?
- Question 10: What is a Class Variable?
- Question 11: What is a Instance Variable?
- Question 12: What is a high-level programming language?
- Question 13: What is a source program?
- Question 14: List two Java IDE's?
- Question 15: List some Java keywords(unlike C, C++ keywords)?
- Question 16: What do you mean by Object?
- Question 17: Define class?
- Question 18: What kind of variables a class can consist of?
- Question 19: What is a Local Variable?
- Question 20: What is protected access modifier?