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  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Oracle in the LICENSE file that accompanied this code.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 package java.lang;
 
 /**
  * {@code RuntimeException} is the superclass of those
  * exceptions that can be thrown during the normal operation of the
  * Java Virtual Machine.
  *
  * <p>{@code RuntimeException} and its subclasses are <em>unchecked
  * exceptions</em>.  Unchecked exceptions do <em>not</em> need to be
  * declared in a method or constructor's {@code throws} clause if they
  * can be thrown by the execution of the method or constructor and
  * propagate outside the method or constructor boundary.
  *
  * @author  Frank Yellin
  * @jls 11.2 Compile-Time Checking of Exceptions
  * @since   1.0
  */
 public class RuntimeException extends Exception {
     @java.io.Serial
     static final long serialVersionUID = -7034897190745766939L;
 
     /** Constructs a new runtime exception with {@code null} as its
      * detail message.  The cause is not initialized, and may subsequently be
      * initialized by a call to {@link #initCause}.
      */
     public RuntimeException() {
         super();
     }
 
     /** Constructs a new runtime exception with the specified detail message.
      * The cause is not initialized, and may subsequently be initialized by a
      * call to {@link #initCause}.
      *
      * @param   message   the detail message. The detail message is saved for
      *          later retrieval by the {@link #getMessage()} method.
      */
     public RuntimeException(String message) {
         super(message);
     }
 
     /**
      * Constructs a new runtime exception with the specified detail message and
      * cause.  <p>Note that the detail message associated with
      * {@code cause} is <i>not</i> automatically incorporated in
      * this runtime exception's detail message.
      *
      * @param  message the detail message (which is saved for later retrieval
      *         by the {@link #getMessage()} method).
      * @param  cause the cause (which is saved for later retrieval by the
      *         {@link #getCause()} method).  (A {@code null} value is
      *         permitted, and indicates that the cause is nonexistent or
      *         unknown.)
      * @since  1.4
      */
     public RuntimeException(String message, Throwable cause) {
         super(message, cause);
     }
 
     /** Constructs a new runtime exception with the specified cause and a
      * detail message of {@code (cause==null ? null : cause.toString())}
      * (which typically contains the class and detail message of
      * {@code cause}).  This constructor is useful for runtime exceptions
      * that are little more than wrappers for other throwables.
      *
      * @param  cause the cause (which is saved for later retrieval by the
      *         {@link #getCause()} method).  (A {@code null} value is
      *         permitted, and indicates that the cause is nonexistent or
      *         unknown.)
      * @since  1.4
      */
     public RuntimeException(Throwable cause) {
         super(cause);
     }
 
     /**
      * Constructs a new runtime exception with the specified detail
      * message, cause, suppression enabled or disabled, and writable
      * stack trace enabled or disabled.
      *
      * @param  message the detail message.
      * @param cause the cause.  (A {@code null} value is permitted,
      * and indicates that the cause is nonexistent or unknown.)
      * @param enableSuppression whether or not suppression is enabled
      *                          or disabled
      * @param writableStackTrace whether or not the stack trace should
      *                           be writable
      *
      * @since 1.7
      */
     protected RuntimeException(String message, Throwable cause,
                                boolean enableSuppression,
                                boolean writableStackTrace) {
         super(message, cause, enableSuppression, writableStackTrace);
     }
 }