/*
 * Copyright (c) 1995, 2011, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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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 {
 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);
 }
}