public void writeJarFromContent(final String className, final String content,
      final File outputFile) throws IOException {
    FileOutputStream fileOutputStream = new FileOutputStream(outputFile);
    writeJarFromContent(className, content, fileOutputStream);
    fileOutputStream.close();
  }
Write a JAR with a class of the given name with the provided content. The className may have a
package separated by /. For example: my/package/myclass

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