What is java hello world simple java program for beginners

What is java hello world simple java program

what is java..? java is worlds famous website in the world we learn simple java program and java hello world program today we learn all about this, so we starts the programming and examples on java programming there are many types like string class in java etc. so lets start simple java programs for beginners  

Java programming language is simplified by in only three steps:-

  1. Create the program  into a text editor and saving it to a file – Helloworld.java
  2. Compile it  “javac Helloworld.java” in the terminal of window or Linux.
  3. Execute it “java Helloworld” in the terminal window or Linux.

Given  program is the simple java program of  “Hello World” . Let  try to understand every java program by code step by step.

/* 
This is a simple Java program...
FileName : "Helloworld.java"...
*/

class HelloWorld 

        public static void main(String args[ ]) 


             System.out.println("Hello, World"); 
         } 
} 

Output:-

Hello, World

Important Points :-

  1. The name of the class of java program is defined by  "Helloworld", which is same as  file name like (Helloworld.java). 
  2. The name of the main class should be same as program name.
Now, then  compile the Helloworld program, so execute the compiler – type ( javac ) , as shown:

javac Helloworld.java 

The compiler creates a file called as Helloworld.class that contains the bytecode version of the program. Now, you can  execute our program, by the  JVM(Java Virtual Machine) needs to be called using java, as shown:

java Helloworld

This will print in the terminal  screen " Hello world ".


Java is a very good language. The desktop application is very useful for coding experts. It has been created so that it can be able to help people who are looking for artificial intelligence. We should learn languages like Java and Python.today We have learnt what this Java and Simple Java program and Hello World Java program is. It is a very good thing that a Beginner should start from here. If you have a post about me, then you have to read it above, then click here.


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