Object Oriented: In online java training free, everything is an Object. Java can be easily extended as it is based on an Object model.
Platform Independent: Many other programming languages including C and C++, Java are not compiled into platform specific machine. It is rather compiled into platform independent byte code. This byte code is distributed over the web. It is interpreted by the Virtual Machine (JVM) on where ever platform it is being run on.
Simple: Java is designed for easy to learn. If you understand the basic concept of OOP Java, it will be easy to master.
Secure: With Java's secure feature, it enables to develop virus-free, tamper-free systems. Authentication is a technique i.e. based on public-key encryption.
Architecture-neutral: Java compiler generates an architecture-neutral object file format. It makes the compiled code executable on many processors with the presence of Java runtime system.
Portable: Being architecture-neutral and having no implementation dependent aspects of the specification makes a Java portable. Compiler in Java platform is written in ANSI C language with a clean portability boundary, which is a POSIX subset.
Robust: Java makes an effort to eliminate error prone situations. That is by emphasizing mainly on compile time error checking and runtime checking.
Multithreaded: With Java's multithreaded feature, it is possible to write the programs that can perform many tasks of java simultaneously. This design feature allows the developers to construct java interactive applications that can run smoothly.
Interpreted: Java byte code is translated on a fly to native machine instructions. It is not stored anywhere. The development process is a more rapid and analytical as the linking is the incremental and light-weight process.
High Performance: With the use of a Just-In-Time compiler, Java enables a high performance.
In Java certification training, you will learn from basics. Few of the details are discussed here. Java was developed by James Gosling, Chris Warth, Mike Sheridan, Ed Frank, and Patrick Naughton at Sun Microsystems in 1991. They spent 18 months to develop the first working version. This online java training language was initially named as called “Oak,” but was renamed as the “Java” in 1995. The initial implementation of Oak is in the fall of 1992. The public announcement of Java is in the spring of 1995. Many people are contributed to the design and evolution of the language.
Arthur van Hoff, Frank Yellin, Bill Joy, Tim Lindholm, and Jonathan Payne are the key contributors to the maturing of an original prototype. The primary motivation is the need for a platform-independent language. This can be used to create software in various consumer electronic devices such as microwave ovens and remote controls. If you can probably guess, many different types of CPUs are used as controllers. The trouble with C and C++ is that they are designed to compile for a specific target. It is possible to compile a C++ program for just about any type of CPU. To do so require a full C++ compiler targeted for that CPU.
The compilers are expensive and time-consuming to create. An easier and more cost-efficient solution is needed. To find a solution, Gosling and others began to work on a portable, i.e. platform-independent language. That can be used to produce code that will run on a variety of CPUs under differing environments. This effort ultimately led to a creation of Java. The details of Java were being worked out. Ultimately more important factor that emerges will play a crucial role in the future of free online java training.
This second force was, the World Wide Web. The Web is not taken shape about the same time that Java was being implemented. Java may be remained as a useful but obscure language for programming consumer electronics. With the emergence of a World Wide Web, Java was propelled to a forefront of computer language design. The Web is too demanded for portable programs.
Most programmers learn free java programming early in their careers. The quest for a way to create efficient, portable programs is nearly as old as the discipline of programming itself. It had taken a backseat to other, more pressing problems. Much of the computer world had divided itself into the three competing camps:
Most programmers are stayed within their fortified boundaries. The urgent need for portable code is reduced.
With the advent of Internet and the Web, old problem of portability is solved with a vengeance. After all, the Internet consists of a diverse, distributed universe populated with various types of operating systems, computers, and CPUs. Many kinds of platforms are attached to the Internet; users would like them to run the same program. Low-priority problem has become a high-profile necessity. By 1993, it became obvious to the members of Java design team that as the problems of portability. They frequently encountered while creating code for embedded controllers. As they also found when there is an attempt to create code for the Internet. In fact, the same problem that free online java training is initially designed to solve on a small scale that could be applied to an Internet on a large scale.
This realization is caused the focus of Java to switch from the consumer electronics to Internet programming. So, while the java online training videos are desire for an architecture-neutral programming language provided the initial spark, the Internet ultimately led to Java’s large-scale success. As mentioned earlier, Java derives much of its character from C and C++. This is by intent. The Java designers knew that using the familiar syntax of C and echoing the object-oriented features of C++ would make their language appealing to the legions of experienced C/C++ programmers. In addition to the surface similarities, Java shares some of the other attributes that helped make C and C++ successful.
At free online java training First, Java was designed, tested, and refined by real, working programmers. It is a language grounded in the needs and experiences of the people who devised it. Thus, Java is a programmer’s language. Second, Java is cohesive and logically consistent. Third, except for those constraints imposed by the Internet environment, Java gives you, the programmer, and full control. If you program well, your programs reflect it. If you program poorly, your programs reflect that, too. Put differently, Java is not a language with training wheels. It is a language for professional programmers. Because of the similarities between Java and C++, it is tempting to think of Java as simply the “Internet version of C++.” This will be a large mistake. Java has a significant practical and has philosophical differences. It is true that Java was influenced by C++; it is not enhanced version of C++. Java is neither upwardly or downwardly compatible with C++. Of course, the similarities with C++ are significant. If you are a C++ programmer, then you will feel comfortable at home with the Java. One other point is that Java is not designed to replace C++. Java is designed to solve a certain set of problems. C++ was designed to solve a different set of problems. Both will coexist for many years to come. At the start of this java training online, computer languages evolve for two reasons:
The environmental change of Java was the need for platform-independent programs destined for distribution on the Internet. Java also embodies changes in a way that people approaches the writing of programs. Java is enhanced and refined by the object-oriented paradigm used by C++. It is added integrated support for multithreading, and provided a library that simplifies Internet access. In the final analysis, it is not the individual features of Java that made it so remarkable. It is the language as a whole. Java is the perfect response to all the demands of newly emerging, highly distributed computing universe. Java is an Internet programming where C is to system programming. A revolutionary force is that changed the world.