diff --git a/java/io/ObjectStreamException.java b/java/io/ObjectStreamException.java
new file mode 100644
index 0000000..889cad3
--- /dev/null
+++ b/java/io/ObjectStreamException.java
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 1996, 2005, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package java.io;
+
+/**
+ * Superclass of all exceptions specific to Object Stream classes.
+ *
+ * @author  unascribed
+ * @since   JDK1.1
+ */
+public abstract class ObjectStreamException extends IOException {
+
+    private static final long serialVersionUID = 7260898174833392607L;
+
+    /**
+     * Create an ObjectStreamException with the specified argument.
+     *
+     * @param classname the detailed message for the exception
+     */
+    protected ObjectStreamException(String classname) {
+        super(classname);
+    }
+
+    /**
+     * Create an ObjectStreamException.
+     */
+    protected ObjectStreamException() {
+        super();
+    }
+}