JavaPassion

Declaring Variables All variables must be  declared   before they can be used. How to declare a variable: 1.   Choose the type you need. 2.   Choose a name for the variable. 3.   Use the following format for a declaration statement:                  datatype variable identifier;  4.   You may declare more than one variable of the same      type by separating the variable names with commas.                  int age, weight, height; 5.   You may initialize a variable (place a value into the      variable location) in a declaration statement.                  double mass = 3.45; When you declare a variable, Java reserves memory locations of sufficien...

About the java Technology java technology is both a programming language and a platform. The Java Programming Language  the java programming language is a high-level language that can be characterized by all of the following buzzword. Simple Object oriented Distributed Multithreaded Dynamic portable High performance Robust Secure       In the java programming language,all source code is first written in plain text files ending with the .java extension.Those source files are then compiled into .class  by the java compiler.  a .class file does not contain code that is native to your processor.it's contain the bytecode - the machine language of the java virtual Machine (java VM).  Because the java virtual machine is available on many different operating system,the same .class files are capable of running on microsoft Windows,Linux or MAC. java Program class hello { public static void main(string args[]) { System....