public void writeJarFromName(final String className, final File outputFile) throws IOException {
    writeJarFromContent(className, "public class " + className + "{}", outputFile);
  }
Write a JAR with an empty class using the given class name. The className may have a package
separated by /. For example: my/package/myclass

@param className Name of the class to create
@param outputFile Where to write the JAR file
@throws IOException If there is a problem creating the output stream for the JAR file.
geode-junit/src/main/java/org/apache/geode/test/compiler/ClassBuilder.java