@Override
	public Object put(final String key, final Object value) {
		entries = null;
		Object previous = get(key);
		setAttribute(key, value);
		return previous;
	}
@Override
	public Object put(final String key, final Object value) {
		entries = null;
		Object previous = get(key);
		setAttribute(key, value);
		return previous;
	}
@ Override public Object put ( final String key , final Object value ) { entries = null ; Object previous = get ( key ) ; setAttribute ( key , value ) ; return previous ; }
Saves an attribute in the request.
Saves an attribute in the request .