illegalstateexception.java

有关j2me的很好的例子可以研究一下

/*
 * @(#)IllegalStateException.java	1.3 00/04/25
 * Copyright (c) 1999,2000 Sun Microsystems, Inc. All Rights Reserved.
 *
 * This software is the confidential and proprietary information of Sun
 * Microsystems, Inc. ("Confidential Information").  You shall not
 * disclose such Confidential Information and shall use it only in
 * accordance with the terms of the license agreement you entered into
 * with Sun.
 *
 * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE
 * SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
 * PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR ANY DAMAGES
 * SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING
 * THIS SOFTWARE OR ITS DERIVATIVES.
 */

package java.lang;

/**
 * Signals that a method has been invoked at an illegal or
 * inappropriate time.  In other words, the Java environment or
 * Java application is not in an appropriate state for the requested
 * operation.
 *
 * @author  Jonni Kanerva
 * @version 1.8, 12/04/99
 * @since   JDK1.1
 */
public
class IllegalStateException extends RuntimeException {
    /**
     * Constructs an IllegalStateException with no detail message.
     * A detail message is a String that describes this particular exception.
     */
    public IllegalStateException() {
	super();
    }

    /**
     * Constructs an IllegalStateException with the specified detail
     * message.  A detail message is a String that describes this particular
     * exception.
     *
     * @param s the String that contains a detailed message
     */
    public IllegalStateException(String s) {
	super(s);
    }
}