Implement class JException, porting of the Java class java.lang.Exception.

The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.

Expected Behavior

• extends JThrowable class

• implements JSerializable interface

• public 0-params constructor constructor()

Constructs a new exception with null as its detail message.

• public 1-params constructor constructor(message: JString)

Constructs a new exception with the specified detail message.

• public 2-params constructor constructor(message: JString, cause: JThrowable)

Constructs a new exception with the specified detail message and cause.

• public 1-params constructor constructor(cause: JThrowable)

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).

• protected 4-params constructor constructor(message: JString, cause: JThrowable, enableSuppression: Jboolean, writableStackTrace: Jboolean)

Constructs a new exception with the specified detail message, cause, suppression enabled or disabled, and writable stack trace enabled or disabled.