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How to create first Java Program?

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How to create first Java Program?
2 Answer(s)      2 months and 20 days ago
Posted in : Java Beginners

Hi,

I am beginner and I want to write first Java program. How I can setup my machine and write first Java program?

Thanks

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April 4, 2017 at 10:08 AM


Hi,

Check this video tutorial also:

Video tutorial on creating First Java Program

Thanks



April 4, 2017 at 10:04 AM


HI,

Here are the steps to write and run first Java program:

Create program in Note pad:

Step 1: Open the notepad on windows computer. Then type or copy the following code:

class HelloWorld {
   public static void main(String[] args){
   System.out.println("My First Java program");
   }
}

Then click on save from file menu in note pad. In the file name box type HelloWorld.java and it should be in double quotes. It should like "HelloWorld.java"

After saving you can compile and run code:

Step 2: Compile program:

Open dos prompt and go to the directory where you have saved your file and then type:

C:\example>javac HelloWorld.java

This will compile HelloWorld.java and create byte code file HelloWorld.class.

You should verify HelloWorld.class by running the dir dos command.

Step 3: Run example

To run example type:

C:\example>java HelloWorld

and it should print message.

Here is full video tutorial:

You can download code and see more details at Hello world (First java program).

Check more tutorials at:

Core Java Home page

Steps to Learn Java --> New to Java

Learn Java in a day

Master Java In A Week

Thanks


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