import lombok.Cleanup; import java.io.*; class CleanupPlain { CleanupPlain() { super(); } void test() throws Exception { @lombok.Cleanup InputStream in = new FileInputStream("in"); try { @Cleanup OutputStream out = new FileOutputStream("out"); try { if (in.markSupported()) { out.flush(); } } finally { out.close(); } } finally { in.close(); } } }