Category: Java

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What Is Linux, Unix Socket?

Socket is a mechanism which provides connection between two process or system by using network stacks. In a more clear way we can use sockets communicate and transfer data between two system. As we know Unix and Linux systems works on file logic. Everything in operating system is file where network...

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How To Find and Verify Installed Java Runtime Version?

Java Runtime Environment is used to run Java applications. Java Runtime Environment is called JRE. There are different versions of JRE most recents major versions are 6,7,8 . Some of the applications generally requires different version because of comp ability problems. In this tutorial we will look how to get...

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Java JDK vs JRE What Are Differences and Similarities?

Java the popular one of the most loved programming language. Java language supported mainly by JRE and JDK components. These components or frameworks provides different functionalities to the Java programming language. JRE or Java Runtime Environment Java applications basically needs JRE to be installed. As its named suggests it is...

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Java Programming “Hello World” Application

In this tutorial we will look introduction to Java programming language and write our first Java application. Hello World applications are very popular in different programming languages. Generally the first code run by the most of the beginners will be the Hello World example. Hello World What is the meaning of Hello...

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How To Update Eclipse and Plugins

Eclipse is very popular open source and full feature IDE. Eclipse provides support for more than 50 programming languages and platforms. These languages and platforms are supported by Eclipse as builtin or as third parties in the market place. As we know Eclipse provides plugable architecture which gives a lot...

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Java – Basics and Comments

Let’s start with simple Hello Poftut application. In application development comments are important because it provides clues about code. Comments are not included in code whiles compiling, interpreting or executing. They are just text can be read in code to give some hints. In java to mark comments // and...

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Introduction To Java Programming Language

Java is a general purpose language created by James Gosling in 1995. Java products numbers/version are incremental and latest version is 8. But Sun the company develops Java use version number like 1.8 where it is equal to version 8. Ancestors Java influenced from C, C++ and SmallTalk languages and...

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How To Set Java Home Path?

Java is popular programming language and framework in the IT industry. There are a lot of applications developed with Java. Java requires Java Development Kit to develop applications. Compiled java applications can run on systems those are install Java Runtime Environment a.k.a JRE. We will look in this post how...

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How To Access MySQL Database From Java Applications?

Java is popular programming language generally used commercial and enterprise applications. MySql is popular database too which is used big service providers like Google, Facebook etc. Most of the applications generally uses data and needs to store this data in a relational database. MySQL is generally the first choice if...

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Null Reference Exception

Null Reference Exception is one of the most occurring exception. Object oriented languages generally creates new object for the variables. But if it is not created and not set by the developer trying to access an variable object will cause Null Reference Exception. In this examples we will use Csharp programming...

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