Friday, January 25, 2013

Java Class Path Error–invalid flag

I’m brand new to Java and by no means a professional coder but due to the nature of my job I have to be able to write a little bit of code in different languages. Yesterday I found out that I needed to be able to write a bit of Java for a project I’m working on so you may see Java related stuff on my blog the next couple days. Here’s the first thing I noticed:
I tried to include a folder of .jar files when I complied my code using the following syntax
javac –cp lib/*
This promptly fails with the error “invalid flag: lib/commons-codec-1.4.jar”
The fix is that apparently you have to put the path inside double quotes like:
javac –cp “lib/*”

On a side note just download a Java IDE like Spring Tool Suite and make your life much easier :)

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