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?
- 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.
- 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
- 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.
- 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
- 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.
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