Throwable and its subclasses. Java provides a hierarchy of classes that represent different kinds of exceptions. These classes are rooted in the java.lang package’s Throwable class, ...

Now the java.lang.Throwable class, the base class of java.lang.Exception, has a cause member field, which can be used to pass the important details of the original problem up the chain all the way ...

Java developers learn to rely on their compilers to catch assignments to incorrect types, ... when I say exception with a lowercase e, I mean java.lang.Throwable and its subclasses.