public abstract class ObjectIdHelper
extends Object

Object id, represented as a String

构造方法
Constructor	描述
`ObjectIdHelper()`

所有方法静态方法具体的方法
Modifier and Type	方法	描述
`static String`	`extract(Any a)`
`static String`	`id()`
`static void`	`insert(Any a, String that)`
`static String`	`read(InputStream istream)`
`static TypeCode`	`type()`
`static void`	`write(OutputStream ostream, String value)`

public static void insert(Any a,
                          String that)

public static String extract(Any a)

public static String read(InputStream istream)

public static void write(OutputStream ostream,
                         String value)

Class ObjectIdHelper