ch8_e8_4.java

来自「清华的Java程序」· Java 代码 · 共 26 行

public class ch8_e8_4       //MyClass
{
    public static void main(String args[])
    {
        try
        {
            myMethod();
        }
        catch(Exception e)
        {
            System.out.println(e.toString());
        }
    }
    public static void myMethod() throws MyException
    {
        throw (new MyException());
    }
}
class MyException extends Exception
{
    public String toString()
    {
        return ("用户自定义的异常");
    }
}