java.lang.Cloneable翻译 - 王朝网络宽屏版

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Cloneable (Java 2 Platform SE v1.4.2)

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java.lang

Interface Cloneable</H2>

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<DT>All Known Subinterfaces: <DD><A HREF="../../java/security/acl/AclEntry.html" title="interface in java.security.acl">AclEntry</A>, <A HREF="../../javax/naming/directory/Attribute.html" title="interface in javax.naming.directory">Attribute</A>, <A HREF="../../java/text/AttributedCharacterIterator.html" title="interface in java.text">AttributedCharacterIterator</A>, <A HREF="../../javax/naming/directory/Attributes.html" title="interface in javax.naming.directory">Attributes</A>, <A HREF="../../java/security/cert/CertPathBuilderResult.html" title="interface in java.security.cert">CertPathBuilderResult</A>, <A HREF="../../java/security/cert/CertPathParameters.html" title="interface in java.security.cert">CertPathParameters</A>, <A HREF="../../java/security/cert/CertPathValidatorResult.html" title="interface in java.security.cert">CertPathValidatorResult</A>, <A HREF="../../java/security/cert/CertSelector.html" title="interface in java.security.cert">CertSelector</A>, <A HREF="../../java/security/cert/CertStoreParameters.html" title="interface in java.security.cert">CertStoreParameters</A>, <A HREF="../../java/text/CharacterIterator.html" title="interface in java.text">CharacterIterator</A>, <A HREF="../../java/security/cert/CRLSelector.html" title="interface in java.security.cert">CRLSelector</A>, <A HREF="../../org/ietf/jgss/GSSCredential.html" title="interface in org.ietf.jgss">GSSCredential</A>, <A HREF="../../javax/naming/Name.html" title="interface in javax.naming">Name</A></DD>

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<DT>public interface Cloneable</DL>

A class implements the <code>Cloneable</code> interface to

indicate to the <A HREF="../../java/lang/Object.html#clone()"><CODE>Object.clone()</CODE></A> method that it

is legal for that method to make a

field-for-field copy of instances of that class.

类实现Cloneable接口表明Object.clone()方法合法，该方法通过域对域的拷贝生成该类的实例。

Invoking Object's clone method on an instance that does not implement the

<code>Cloneable</code> interface results in the exception

<code>CloneNotSupportedException</code> being thrown.

调用未实现Cloneable接口的类实例clone方法，会导致CloneNotSupportedException异常抛出。

By convention, classes that implement this interface should override

<tt>Object.clone</tt> (which is protected) with a public method.

See <A HREF="../../java/lang/Object.html#clone()"><CODE>Object.clone()</CODE></A> for details on overriding this

method.

按照惯例，实现该接口的类应当使用public方法覆盖Object.clone方法（protected）。覆盖该方法的细节查看Object.clone()。

Note that this interface does not</t> contain the <tt>clone</tt> method.

Therefore, it is not possible to clone an object merely by virtue of the

fact that it implements this interface. Even if the clone method is invoked

reflectively, there is no guarantee that it will succeed.

注意该接口不包括clone方法，也就是说仅实现该接口而clone一个对象是不可能的，即使clone方法被反射调用，也不能确保成功。

<DL>

<DT>Since:</DT>

<DT>See Also:<DD><A HREF="../../java/lang/CloneNotSupportedException.html" title="class in java.lang"><CODE>CloneNotSupportedException</CODE></A>,

<A HREF="../../java/lang/Object.html#clone()"><CODE>Object.clone()</CODE></A></DL>

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