Java provides many exception classes that directly subclass Exception. Here are three examples: CloneNotSupportedException signals an attempt to clone an object whose class doesn’t implement the ...

Some other good features of Java exception handling are checked exceptions, user-defined exceptions, and the new Java logging API coming out in JDK 1.4. Every subclass of java.lang.Exception is a ...

javac *.java When you compile an enclosing class that contains a static member class, the compiler creates a class file for the static member class whose name consists of its enclosing class’s ...

Sealed classes make Java an even more powerful and expressive language and set the stage for even more sophisticated techniques such as pattern matching, which we'll explore in a subsequent article. A ...