Welcome to Core Java tutorial created and developed by Starter Tutorials
What is java?
Java is a high-level object oriented programming language and computing platform developed by Sun Microsystems and released in 1995. With more than 9 million developers worldwide, java enables us to develop and deploy applications and services.
From laptops to data centers, game consoles to super computers and cell phones to the Internet, java is everywhere.
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Frequently asked Java question and answers for interviews: Java Q&A
Why Choose java?
Although there are many reasons why a software developer choose java, below are some of the popular reasons:
- Develop software on one platform and deploy it on virtually any other platform.
- Create programs that can run in a web browser and access available web services.
- Develop server-side applications like online stores, polls, image galleries, form processing and more.
- Create powerful applications for mobile phones and other embedded devices.
More details about java are available here.
What should I know before moving further?
Although no technical details about programming languages are needed, you should have knowledge regarding basic concepts like what is a program, programming, use of programming languages etc.
This java tutorial is developed in such way that it allows beginners or starters to understand every concept with as less effort as needed.
Although no knowledge is required regarding other programming languages, familiarity with C or C++ allows you to learn the java concepts faster.
This java tutorial is intended for beginners or starters who are new to java. It will also act as a guide for novice programmers and experienced programmers to recollect the use of various core concepts in Java.
Note: Entire java tutorial is divided into several sections. Each section contains related concepts. For desktop and laptop users all the sections are available on the left side of the webpage to quickly navigate between them. For mobile users you have to scroll down to the end of the page to see the sections.
- Java Virtual Machine
- Structure of a Java program
- Classes and Objects
- Data types
- Scope and life time of variables
- Type conversion and Casting
- Control Statements
- Parameter Passing
- Access Control
- this Keyword
- static Keyword
- final Keyword
- Garbage Collection
- Command Line Arguments
- Variable-Length Arguments (Varargs)
- Nested Classes