Preprocessor Directives & Macro in C

Preprocessor Directives Introduction The C pre-processor is not the part of the compiler, but is a separate step in the compilation process. The syntax of the pre-processor is different from the syntax of the rest of C program in several respects. Definition The pre-processor is a translation phase that is Read more…

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Introduction & History of Java

Introduction Java is the most popular programming language in the world today. Java offers three flavors of programming –  Java application, Java applets & Servlets. Java servlets are similar to applets programs except they execute on servers side. Servlets are Java programs answer to traditional CGI programming. Servlets are programs Read more…

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RMI in Java

Introduction The RMI  stands for Remote Method Invocation. It is provided in the package java.rmi. Definition The RMI is an API that provides a mechanism to create distributed application in java. Java RMI is a mechanism that allows one Java Virtual Machine (JVM) running object to invoke methods on an object running on another JVM. Read more…

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Java Beans

Introduction Definition Java Beans are reusable software component model which allow a great flexibility andaddition of features in the existing piece of software. A Java Bean is a reusable software component that can be visually manipulated in builder tools. Features Individual Java Beans varies in its functionality, but most  beans Read more…

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Java Servlets

Definition Servlets are the Java programs that runs on the Java-enabled web server or application server. They are used to handle the request obtained from the web server, process the request, produce the response, then send response back to the web server.  A servlet is a class of Java programming language, used to extend Read more…

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Operators in Java

Types of Operator Arithmetic Operators They are divided into two categories – Binary Arithmetic Operators and Unary Arithmetic Operators. Binary Arithmetic Operators – Binary operators are applied only on two operands. Binary operators are – +, -, *, /, % Unary Arithmetic Operators – Unary operators are applied only on Read more…

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Operators in C

Introduction An expression is a sequence of operators and operands that does some specific manipulation.It is a combination of variables, constants and operators written according to the syntax of C language.In C every expression evaluates to a value.There are three kinds of expressions: An arithmetic expression evaluates to a single arithmetic value. A character expression evaluates to a single value of type character. Read more…

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