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Exception.java
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124 lines (117 loc) · 3.96 KB
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/*
* Copyright (c) 1994, 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;
/**
* The class {@code Exception} and its subclasses are a form of
* {@code Throwable} that indicates conditions that a reasonable
* application might want to catch.
*
* <p>The class {@code Exception} and any subclasses that are not also
* subclasses of {@link RuntimeException} are <em>checked
* exceptions</em>. Checked exceptions 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
* @see java.lang.Error
* @jls 11.2 Compile-Time Checking of Exceptions
* @since JDK1.0
*/
public class Exception extends Throwable {
static final long serialVersionUID = -3387516993124229948L;
/**
* Constructs a new 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 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 {@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. <p>Note that the detail message associated with
* {@code cause} 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 <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);
}
/**
* Constructs a new 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 Exception(String message, Throwable cause,
boolean enableSuppression,
boolean writableStackTrace) {
super(message, cause, enableSuppression, writableStackTrace);
}
}