Before creating the Java project, the first thing is to check to JDK installed or not in your machine.

How to check Java version in your machine?

Window

• Go to search
• Type cmd and enter or search for Command prompt
• You will see a black screen for the command prompt as below.
• Type java -version to get detail about it.

Linux

• On the current screen type command as java -version to get detail about it.

The above screen is for the case when java is installed on your screen. If JDK/JRE is not installed on your machine then you will get a message like “Java is not recognized as an internal-external command.”

How to setup Java from Initial?

If JDK/JRE is not set up in your machine then follow below steps:

Download JDK from this site: Download JDK Latest Version

Windows

• After downloading click on the .exe file to install
• Follow all steps as the next button and continue as long as a process not complete.
• Default download location for Java will be  “C:\Program Files\Java\jdkVerXYZ”

To access Java from command prompts or IDE need to configure environment variables as JAVA_HOME and Path. The value of JAVA_HOME would be home directory path where JDK installed and Path would be (JAVA_HOME/bin)

Follow these steps to configure the environment variables

• Go to Computer ->right click-> Properties -> Advance System Settings->System Variable
• or Go to search type ENV and click on enter.
• Enter that value of JAVA_HOME as below

 

 

 

 

• Set the Path by appending at last as below %JAVA_HOME%/bin;

• Follow the above steps to check Java versions.

Linux 

• Download JDK and untar it.
• Go to your home directory/ sudo directory and set JAVA_HOME and Path in .bashrc file as below:

export JAVA_HOME=/opt/app/<installation directory>/jdk1.8.0_66

          export Path=%JAVA_HOME%/bin:$Path

•   Save .bashrc file
•  Now run java -version  to check configuration is successful.

Configure Eclipse IDE

Download Eclipse: Download Eclipse Latest Version

• Click on the installable of Eclipse IDE.
• Continue the installation by next click.
• Select the path of JDK as installed.
• Select the workspace location for your projects.

Now you are ready to create new projects in Eclipse IDE.

See Also :

• Eclipse : How to change JDK/JRE Versions?
• How to create Maven Java Console Project?
• How to create Dynamic Web Application using Maven and Eclipse?