hello world java
- A "Hello, World!" program is generally a computer program that outputs or displays the message "Hello, World!".
- This program is very simple to write in many programming languages, and is often used to illustrate a language's basic syntax.
- Let's explore how Java "Hello, World!" program works.
Java Hello World
// This is a simple Java Hello World program Example. class Example { public static void main(String[] args) { System.out.println("Hello, World!"); } }
Hello, World!
hello world java code
// This is a simple Java Hello World program Example.
- This is a comment.
- Like other programming languages, Java lets you enter a remark into a program’s source file.
- The contents of a comment are ignored by the compiler.
- Its used to describes or explains the operation of the program.
class Example {...}
- In Java, every application begins with a class definition.
- In the program, Example is the name of the class.
- The class definition begins with the opening curly brace
({)
and ends with the closing curly brace(})
.
java hello world program
public static void main(String[] args) { ........... }
hello world in java
- This line begins the main() method.In general, Java applications begin execution by calling main().
- The public keyword is an access modifier.
- An access modifier determines how other parts of the program can access the members of the class.
- As stated, main() is the method called when a Java application begins.
- In main() there is only one parameter, String[] args, which declares a parameter named args. This is an array of objects of type String.