How to Compile Java in Command Prompt Or in a Terminal

How to Compile a Java Program in Command Prompt in a Terminal: In this JAVA tutorial, we are going to see how to write a simple JAVA program, compile and run the JAVA program in command prompt.

public class SeleniumJavaProgram {
   public static void main(String[] args) 
   {
      System.out.println("This Is My First Program");
   }
}

if we run this program then the output should come as: This is my first program in JAVA selenium series

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How to Run the JAVA program in Command prompt

• Before writing the program there is some prerequisite are there like you have to install java in your system and set JAVA_Home Variable on your system.
• You Can copy and paste in an editor like notepad, TextEdit or you can write in any IDE like Eclipse, NetBeans or IntelliJ IDEA like editors which are available online for free download.
• After writing the program save that program as “SeleniumJavaProgram.Java”.
• The next step after saving the program is to compile the program. for compile, you can open the command prompt and terminal in case if you are using the Mac operating system.
• For compile the program you can type the below command and hit enter

javac SeleniumJavaProgram.Java

Open Command Prompt in Folder

Note: After hit enter if you are getting any error like this “Javac’ is not recognized as an internal or external command, operable program or batch file” that means the path is not set in your system, from here you can learn how to set Java path in windows?

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• Once you set the path after that if you compile the java program then you are not getting any error and after a successful compilation, the java file is converted into a .class file which is byte code.
• Now we can run the java program in command prompt. to run the program type the below command and hit enter.

Java SeleniumJavaProgram

How to Compile a java program in Command Prompt:

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