class keyword is used to declare a class in java.

public keyword is an access modifier which represents visibility, it means it is visible to all.

static is a keyword, if we declare any method as static, it is known as static method. The core advantage of static method is that there is no need to create object to invoke the static method. The main method is executed by the JVM, so it doesn’t require to create object to invoke the main method. So it saves memory.

void is the return type of the method, it means it doesn’t return any value.

main represents startup of the program.

String[] args String[] args denotes that main is of “String” type and args is the argument, you can use anythng instead of args, that will pass as argument

System.out.println() is used to print statement.