As far as I know, String args[] accepts an array of elements of type String – a mechanism through which the runtime system passes information to an application. If we take a simple addition program like this: It is obvious that the program does not need any command line arguments to calculate the result…
Tag: program-entry-point
Java: Passing combination of named and unnamed parameters to executable jar/main method
I want to pass, both, named and unnamed arguments to the main method. Currently I am passing arguments as: and handling them as: However, I want to pass the arguments in a more dynamic way – namely, so that: I can pass, both, named and unnamed arguments; I can fetch/handle these arguments with their nam…
What does “Could not find or load main class” mean?
A common problem that new Java developers experience is that their programs fail to run with the error message: Could not find or load main class … What does this mean, what causes it, and how should you fix it? Answer The java <class-name> command syntax First of all, you need to understand the c…