Single quotation marks as arguments to a Java program

Question

When I run my jar from the cmd in this way:

java -jar myapp.jar -fn='Something'

I get args = [-fn=Something] . So, the problem is that it misses the quotation marks. The same happens with the double quotation marks.

What can I do to solve this? I couldn't find any solution on the Internet.

PS another question would be if I can make my program recognize automatically the -fn variable or I just should parse it like a String. I am using the parsing method, but I just want to know if maybe there are other (more ethical) ways.

Answer 1

There are two different ways to solve the quotes problem:

with escaping the quote:

java -jar myapp.jar -fn="\'Something\'"
java -jar myapp.jar -fn="\"Something\""

with single and double quotes:

java -jar myapp.jar -fn='"Something"'

If you want to create a console programme, I can recommend Picocli or Spring Shell . Otherwise, you could use eg the Commons CLI to parse the arguments, or you can do it yourself manually.