| java.sql.Wrapper |
 Known Indirect Subclasses
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This class is an actual usage of the wrapper pattern for JDBC classes. Developers can get the delegate instance when the instance may be a proxy class.
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If the caller is a wrapper of the class or implements the given
interface, the methods return false and vice versa.
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Returns an object that implements the given interface.
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If the caller is a wrapper of the class or implements the given interface, the methods return false and vice versa.
| iface | - the class that defines the interface |
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| SQLException | - when an error occurs when judges the object |
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Returns an object that implements the given interface. If the caller is not a wrapper, a SQLException will be thrown.
| iface | - the class that defines the interface |
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| SQLException | - if there is no object implementing the specific interface |
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Developers