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Java Introduction Java Installation Java Jvm Architecture Java Naming Convention Java Class Java Nested Class Java Object Java Modifier Java Ways to create Object Java Constructor Java Method Java Referencing Java Static Java Static Block Java InIt Java Oops Java Inheritance Java Method Chaining Java Abstraction Java Encapsulation Java Interface Java Exception Java Thread By Association Java Thread Lambda Expression Java Thread Lifecycle Java Thread Scheduler Java Daemon Thread Java Green Thread Java Guarded Blocks Java Count Down Latch Java Producer Con Java Object Lock Synchronize Java Classlock Synchronize Java Inter Thread Communication Java Synchronize Java Re Entrance Java Serialization Java Strings Java String Tokenizer Java String Methods Java String Constant Pool Java String Buffer Java Collection Java Array List Java Set Java Map Java Stack Java Iterator Java Enumeration Java Traditional Collection Java Write File Java Copy File Java IO File Java Read File Java Pattern Java Interview Question

Java Installation Guide

How to Install Java in windows 8.1?

First of all if you don’t have java and you wanna check that you have it or not in your system.

So what you need to do is you need to go to command prompt and there you have to type javac command to compile java programs.

If you entered command and javac is not recognized it means you don’t have java installed in your Windows Operating System.



How To Download Java in your System?

You need to go to browser and search for java jdk download.

https://www.oracle.com/technetwork/java/javase/downloads/index.html

Click on the above link you will be redirected to download page


Now click on it you will reach to download section. Here you can download any version or for any operating system. Accept licence


Downloaded file and now click on it to install and your installation start just click next and java is downloaded in your system.

C drive->program files->java->here you can see jdk and jre folder. But to use java you have set environment variable for java in windows operating system.


How to set Environment variable for java?

Click on settings you will get this window here you can see Advance Ssytem settings click on it


Search here for path in System Variable

Click on edit


You need to give the path of binary file of java to recognize that java is in your system. For this you just go at the end of varable value and insert secmicolon(;)

Just copy this path and paste it after semicolon and just click ok now java installed in you system.

Now to check java installed once again go to command prompt and type javac.


Now here you can see this run.