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Introduction To Java Programming

Java is a compiled, object-oriented, highly portable programming language. Java is statically typed and features a similar syntax to c programming language. It comes with a large library of readily usable functions, the Java Software Development Kit (SDK). Programs are compiled only once ahead of time into a proprietary byte code and package format that runs inside the Java Virtual Machine(JVM). The JVM is available across many platforms which allows java programs to run almost everywhere without the need to be compiled or packaged again. This makes it a preferred language in many large enterprises' heterogeneous landscapes, but may be perceived as heavy.
Java is owned by Oracle and used by more than 3 billion devices runs it.
The Uses Of Java
  • Java is used in developing mobile applications, especially android apps.
  • It is also used in developing desktop applications.
  • Java is used in designing web applications.
  • It is used in the gaming industry.
  • It can also be used with the database connectivity
Setting Up an Environment For Java Development in Windows
The steps for setting up the java environment in windows are as follows.
  • Step1: Java8 JDK is available here. Click the second last link for windows 32bit and the last link for windows 64bit.
  • Step2: After downloading, run the .exe file and follow the instructions to install java on your machine, you have to set up the environment variables.
  • Step3: Go to Control panel-->System and Security-->System. Under the advanced system setting option, click on Environment Variables.
  • Step4: Now you have to alter the "path" variable under System variables so that it also contains the path to the java environment. Select the path variable and click on the edit button.
  • Step5: You will see a list of different paths, click on the new button and add the path where java is installed.
  • Step6: Click on OK, Save settings, and you are done. Now to check whether the installation is done correctly, open the command prompt and type javac-version. You will see that java is running on your machine.
Java IDE
An IDE is an acronym for Integrated Development Environment. When it comes to making your java development experience smoother, a java IDE can make it all. Fortunately, there is a multitude of free java IDE's.
A good Java IDE will contain a lot of features, including such things as code refactoring and an in-built debugger. The advanced ones will have syntax highlighted and code completion which can really quicken development. Some of the best Java IDS are as follows.
  1. Eclipse
  2. Intellij IDE
  3. Netbeans
  4. BlueJ
  5. JDeveloper
  6. DrJava
  7. jGRASP
  8. MyEclipse
  9. XCode
  10. Codenvy
Posted in Java on September 07 2022 at 02:59 PM

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