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Click Here... The figure besides shows the structure of a Java class.  The four important terms that makes up the java file are : 1. Source File 2. Class File 3. Method 4. Statement What is a Source file?  A Java source file contains any number of classes. But the rule is, declare only one class as public and save the source file with name as that of public class. If not done so, you may get compile time error(Ugh! now what is compile-time error). Dont worry! it will be explained!. If public class is not defined, file can be stored using any name of your choice! Class File! Java is considered as relatively safe and secure because of its ability to convert a java program into a file coded in a stream of 8 bits. This file is generated by Java compiler and executed by The JVM. The class file is a byte code of a java program . Byte code of a java program is portable and readable only to JVM. This file is platform independent. Class file is just a ...

It is said " Write Once, Run Anywhere ". This is Java! Unlike any other programming language, Java is to be written once and can be compiled in any corner of the world. It is platform independent . How Java works? The aim is to write one program and make it work on whatever device your peers have! Create a source document using java Run your document through a source code compiler. The compiler checks for errors and won't let you compile until its satisfied that everything will run well. The copiler creates a new document, coded into java bytecode. Any device capable of running will be able to interpret/translate this file into something runnable. Rephrasing, the compiled bytecode is platform independent. Now, you can wish your friend "Happy Holi". Your friends don't have a physical java machine but the all have a virtual java machine running inside their electronic devices. The virtual machine reads and runs the byte code. This is what happen...

If you don't have a 1.7 or greater Java Platform, Standard Edition SDK (Software Development Kit), you need it. The SDK includes everything you need to compile and run a java program. Follow the steps below and start programming in Java. Step 1 : Go to http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html. Here you will find numerous links out of which you will have to choose the one that suites your hardware configuration. Step 2 : Select the radio button saying "Accept Licence Agreement" and click on the suitable link. Step 3 : Save the zip file at a desired location in your computer. Step 4 : Unzip the folder and double click on the executable file that has been downloaded and click on "Run". Step 5 : Click on "Next". Customization is not allowed, Simply leave the default selection of Development Tools.(Requires 400MB of Disc Space). You can change the location from default installation directory...

Java is a high-level programming language developed and released by Sun Microsystems in 1995, later acquired by Oracle Corporation. It was initiated by James Gosling and Patrick Naughton in 1991. Java technology is used to develop applications for a wide range of environments, from consumer devices to heterogeneous enterprise systems. Goal This tutorial covers the core APIs that you use to design object-oriented applications with java. This tutorial also covers the important concepts required to further develop your skills with java language and prepare for Oracle Certified Professional, Java SE 7 Programmer exam. Objective After completing this session, you should be able to write a basic java program and execute the program from commandline. Audience The target audience include those :  who have some basic understanding of 'C' language. Software Developers who are not yet experienced with java code or java platform. Developers who are havi...