System Errors ClassNot Found Exception IOExcepti Arithmetic Exception Exception AWTException lullPointer Excepti RuntimeException IndexOutofBounds Exception Object Throwal Several more classes IllegalArgument Exception System errors是由Java虚 Several more classes 拟机抛出并在Eror类中描 LinkageError 述的。Eror类描述内部的 VirtualMachine Error 系统错误。这种错误很少 Error 发生,一旦发生,除了通 AWTErro 知用户以及尽量稳妥地结 束程序外,几乎什么也不 Several more classes 能做System Errors LinkageError Error AWTError AWTException Throwable ClassNotFoundException VirtualMachineError IOException Exception RuntimeException Object ArithmeticException NullPointerException IndexOutOfBoundsException Several more classes Several more classes Several more classes IllegalArgumentException System errors是由Java虚 拟机抛出并在Error类中描 述的。Error类描述内部的 系统错误。这种错误很少 发生，一旦发生，除了通 知用户以及尽量稳妥地结 束程序外，几乎什么也不 能做