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So I just tried excluding String[] args from the main method
It compiled alright !
But JVM is showing an exception
Why did it compile when String[] args HAS to be included every time ?
What is going on here ? Why won’t it show a compilation error ?
typing this made me think that may be compiler did not see it as THE main method ..is that so ?
If that is the case..why not ? I mean isn’t there supposed to be just one main method that MUST have String[] args as the argument ?
Correct. There is no compile error because you’re perfectly free to have all kinds of methods named
main. But when you start the JVM and give it a “main class”, then it will look for a methodstatic public void main(String[])in that class, and if it does not find such a method, it aborts with an exception.This allows you to have multiple main methods in your program and is really the only thing that makes sense if you think about it: Applications can be composed from classes and JAR files from lots of different sources, written by different people at different times, so in many cases you can’t really have a single, designated “main class” right from the start.