在继承中的异常

iteye_8105

于 2009-09-24 17:07:33 发布

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分类专栏： ThinkingInJ2se 文章标签： HTML

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public interface ExceptionInterface {
	
	void exceptionedMethod()throws Exception;

}

public abstract class  ExceptionAbstractClass implements ExceptionInterface{

	public void exceptionedMethod() throws/* Exception,*/UnsupportedOperationException {
		
	}
	
}

public class ExceptionClass extends ExceptionAbstractClass {
	
	public void exceptionedMethod() throws Exception {
		
	}

}

最后一个会报错。

PS:UnsupportedOperationException :

/**
 * Thrown to indicate that the requested operation is not supported.<p>
 *
 * This class is a member of the 
 * <a href="{@docRoot}/../guide/collections/index.html">
 * Java Collections Framework</a>.
 *
 * @author  Josh Bloch
 * @version 1.15, 01/23/03
 * @since   1.2
 */