Contents

1. 1 Program :
   1. 1.1 Step 1 - Coding
   2. 1.2 Step 2 - Deployment
   3. 1.3 Step 3 - Testing
   4. 1.4 Output
2. 2 Troubleshooting
3. 3 Video

Program :

Step 1 - Coding

Create a text file FirstHello.java  and copy below contents.

/**
 * A program that prints 'Hello Java' string at standard output console
 * Java training example source code developed by SunilOS.
 *
 * Copyright (c) 2008 SunilOS
 * @version 1.0
 *
 */

public class FirstHello {

    public static void main(String[] args) {
        System.out.println("Hello Java");

    }

}

Step 2 - Deployment

1. Create a folder 'c:\sunilos'. 
2. Create or copy FirstHello.java  into 'c:\sunilos' folder.
3. Open your command prompt and go to  'c:\sunilos'
   
4. Compile FirstHello.java with help of 
• javac FirstHello.java command.  Command will create class file in the same folder.
  
5. Congratulations!! your First Java program is ready to serve.

Step 3 - Testing

1. Make sure you are on Command Prompt under c:\sunilos directory
   
2. Now start your First java program from command prompt with help of 
• java FirstHello command.

Output

It will show a message.
Hello java...

Troubleshooting

Error : C:\sunilos>javac FirstHello.java
Resolution : Check your PATH environment variable. JAVA_HOME is not in PATH. Set path by
         SET PATH=%JAVA_HOME%/bin;%PATH%

Video

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