private static String createClassName(String filename, String pkgName, char fileSep) {
    	String pkgPath = pkgName != null ? pkgName.trim() : "";
    	if (pkgPath.length() > 0 && !pkgPath.endsWith(".")) {
    		pkgPath += ".";
    	}
    	String name = filename.substring(0, filename.indexOf(".class"));
    	int ix = name.lastIndexOf(fileSep);
    	if (ix >= 0) {
    		name = name.substring(ix+1);
    	}
    	return pkgPath + name;
    }
Create a java class name from the given filename and class path.
@param filename filename that has the class path pre-pended to it.
@param pkgName name of package
@param fileSep file separator used within filename ('/' or '\').
@return String
Ghidra/Framework/Generic/src/main/java/ghidra/util/TestSuiteUtilities.java