In order to support fields of the same name in subclasses we are now prefixing them with name of the class that defines them. To provide convenient way to access them from generated bytecode and also directly from JavaScript, there is a getter/setter function for each field. It starts with _ followed by the field name. If called with a parameter, it sets the field, with a parameter it just returns it.
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29 * {@code RuntimeException} is the superclass of those
30 * exceptions that can be thrown during the normal operation of the
31 * Java Virtual Machine.
33 * <p>{@code RuntimeException} and its subclasses are <em>unchecked
34 * exceptions</em>. Unchecked exceptions do <em>not</em> need to be
35 * declared in a method or constructor's {@code throws} clause if they
36 * can be thrown by the execution of the method or constructor and
37 * propagate outside the method or constructor boundary.
39 * @author Frank Yellin
40 * @jls 11.2 Compile-Time Checking of Exceptions
43 public class RuntimeException extends Exception {
44 static final long serialVersionUID = -7034897190745766939L;
46 /** Constructs a new runtime exception with {@code null} as its
47 * detail message. The cause is not initialized, and may subsequently be
48 * initialized by a call to {@link #initCause}.
50 public RuntimeException() {
54 /** Constructs a new runtime exception with the specified detail message.
55 * The cause is not initialized, and may subsequently be initialized by a
56 * call to {@link #initCause}.
58 * @param message the detail message. The detail message is saved for
59 * later retrieval by the {@link #getMessage()} method.
61 public RuntimeException(String message) {
66 * Constructs a new runtime exception with the specified detail message and
67 * cause. <p>Note that the detail message associated with
68 * {@code cause} is <i>not</i> automatically incorporated in
69 * this runtime exception's detail message.
71 * @param message the detail message (which is saved for later retrieval
72 * by the {@link #getMessage()} method).
73 * @param cause the cause (which is saved for later retrieval by the
74 * {@link #getCause()} method). (A <tt>null</tt> value is
75 * permitted, and indicates that the cause is nonexistent or
79 public RuntimeException(String message, Throwable cause) {
80 super(message, cause);
83 /** Constructs a new runtime exception with the specified cause and a
84 * detail message of <tt>(cause==null ? null : cause.toString())</tt>
85 * (which typically contains the class and detail message of
86 * <tt>cause</tt>). This constructor is useful for runtime exceptions
87 * that are little more than wrappers for other throwables.
89 * @param cause the cause (which is saved for later retrieval by the
90 * {@link #getCause()} method). (A <tt>null</tt> value is
91 * permitted, and indicates that the cause is nonexistent or
95 public RuntimeException(Throwable cause) {
100 * Constructs a new runtime exception with the specified detail
101 * message, cause, suppression enabled or disabled, and writable
102 * stack trace enabled or disabled.
104 * @param message the detail message.
105 * @param cause the cause. (A {@code null} value is permitted,
106 * and indicates that the cause is nonexistent or unknown.)
107 * @param enableSuppression whether or not suppression is enabled
109 * @param writableStackTrace whether or not the stack trace should
114 protected RuntimeException(String message, Throwable cause,
115 boolean enableSuppression,
116 boolean writableStackTrace) {
117 super(message, cause, enableSuppression, writableStackTrace);