classcastexception.java

来自「已经移植好的java虚拟机」· Java 代码 · 共 45 行

/*
 * Copyright 1994-2002 Sun Microsystems, Inc. All Rights Reserved.
 * 
 * This software is the proprietary information of Sun Microsystems, Inc.  
 * Use is subject to license terms.
 * 
 */

package java.lang;

/**
 * Thrown to indicate that the code has attempted to cast an object 
 * to a subclass of which it is not an instance. For example, the 
 * following code generates a <code>ClassCastException</code>: 
 * <p><blockquote><pre>
 *     Object x = new Integer(0);
 *     System.out.println((String)x);
 * </pre></blockquote>
 *
 * @author  unascribed
 * @version 1.16, 12/04/99 (CLDC 1.0, Spring 2000)
 * @since   JDK1.0, CLDC 1.0
 */
public
class ClassCastException extends RuntimeException {
    /**
     * Constructs a <code>ClassCastException</code> with no detail message. 
     */
    public ClassCastException() {
	super();
    }

    /**
     * Constructs a <code>ClassCastException</code> with the specified 
     * detail message. 
     *
     * @param   s   the detail message.
     */
    public ClassCastException(String s) {
	super(s);
    }
}