Structure of Java Program

//* W.A.P to print simple message class simple { public static void main(String aa[]) { System.out.println(“welcome in java”); } } Explanation of the program: class keyword is used to declare a class in java. public keyword is an access modifier which represents visibility, it means it is visible to all. static is a keyword, if […] Continue reading →

Byte code and JVM

Byte code and JVM Java is a high level programming language. The program written in java is compiled for conversion to an intermediate code called Byte code.This code is independent of the machine on which the program is to run.This makes a java program highly portable as its Bytes code can easily be transferred from […] Continue reading →

History of Java

History  of Java Java is pure object oriented programming language. It is developed by James Gosling; He is a famous software developer. He developed many compilers and mail systems. Since 1984, he has been associating with Sun Micro Systems and developed Java Programming language in 1991.He was also elected to the United States national Academy […] Continue reading →

Basic Features of JAVA

Basic Features of JAVA: Java is a high level, robust, secured and object-oriented programming language. Java is an object programming language. Java is a Simple programming language. It is familiar with c and c++ language.  Java programs are both compiled and interpreted.  Java programs are platform independent. Any hardware or software environment in which a […] Continue reading →

Types of Java Applications

Types of Java Applications There are mainly 4 types of applications that can be created using java programming: 1) Standalone Application 2) Web Application 3) Enterprise Application 4) Mobile Application 1) Standalone Application It is also known as desktop application or window-based application. An application that we need to install on every machine such as […] Continue reading →

Where Java is used

Where Java is used? According to Sun, 3 billion devices run Java. There are many devices where java is currently used. Some of them are as follows: Desktop Applications such as acrobat reader, media player, antivirus etc. Enterprise Applications such as banking applications. Web Applications such as, etc. Smart Card Robotics Mobile Games […] Continue reading →

Introduction of Java

Introduction of Java: JAVA is being object oriented programming language, encapsulates many features of c++.Initially, JAVA was designed to execute applets, which can be down loaded by using web browser. But gradually, the language has been gaining wide acceptance as programming language, very often replacing C and C++. Continue reading →

Objective Type Question in Java Set(1)

Multiple choice question of Java Set(1) 1. A java program hat can be developed and executed by the users is known as: a) Application     b) Applet        c) Object       d) None 2. Who developed Java? a) James Gosling      b) Robert James         c) Bjarne Stroustrup      d) None 3. Java Virtual Machine (JVM) is […] Continue reading →