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package java.lang;

The class Exception and its subclasses are a form of
Throwable that indicates conditions that a reasonable
application might want to catch.
Author:
 Frank Yellin
See Also:
Error
Since:
  JDK1.0/**
 * The class <code>Exception</code> and its subclasses are a form of
 * <code>Throwable</code> that indicates conditions that a reasonable
 * application might want to catch.
 *
 * @author  Frank Yellin
 * @see     java.lang.Error
 * @since   JDK1.0
 */
public class Exception extends Throwable {
    static final long serialVersionUID = -3387516993124229948L;

    
Constructs a new exception with null as its detail message. The cause is not initialized, and may subsequently be initialized by a call to Throwable.initCause. /**
     * Constructs a new exception with <code>null</code> as its detail message.
     * The cause is not initialized, and may subsequently be initialized by a
     * call to {@link #initCause}.
     */
    public Exception() {
        super();
    }

    
Constructs a new exception with the specified detail message. The cause is not initialized, and may subsequently be initialized by a call to Throwable.initCause. 
Params:
message –  the detail message. The detail message is saved for later retrieval by the Throwable.getMessage() method./**
     * Constructs a new 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 Exception(String message) {
        super(message);
    }

    
Constructs a new exception with the specified detail message and
cause.  
Note that the detail message associated with
cause is not automatically incorporated in
this exception's detail message.
Params:
message – the detail message (which is saved for later retrieval by the Throwable.getMessage() method).
cause – the cause (which is saved for later retrieval by the Throwable.getCause() method). (A null value is
        permitted, and indicates that the cause is nonexistent or
        unknown.)
Since:
 1.4/**
     * Constructs a new exception with the specified detail message and
     * cause.  <p>Note that the detail message associated with
     * <code>cause</code> is <i>not</i> automatically incorporated in
     * this 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 <tt>null</tt> value is
     *         permitted, and indicates that the cause is nonexistent or
     *         unknown.)
     * @since  1.4
     */
    public Exception(String message, Throwable cause) {
        super(message, cause);
    }

    
Constructs a new exception with the specified cause and a detail
message of (cause==null ? null : cause.toString()) (which
typically contains the class and detail message of cause). This constructor is useful for exceptions that are little more than wrappers for other throwables (for example, PrivilegedActionException). 
Params:
cause – the cause (which is saved for later retrieval by the Throwable.getCause() method). (A null value is
        permitted, and indicates that the cause is nonexistent or
        unknown.)
Since:
 1.4/**
     * Constructs a new exception with the specified cause and a detail
     * message of <tt>(cause==null ? null : cause.toString())</tt> (which
     * typically contains the class and detail message of <tt>cause</tt>).
     * This constructor is useful for exceptions that are little more than
     * wrappers for other throwables (for example, {@link
     * java.security.PrivilegedActionException}).
     *
     * @param  cause the cause (which is saved for later retrieval by the
     *         {@link #getCause()} method).  (A <tt>null</tt> value is
     *         permitted, and indicates that the cause is nonexistent or
     *         unknown.)
     * @since  1.4
     */
    public Exception(Throwable cause) {
        super(cause);
    }
}