JAVA 自定义异常使用 Exception 原创

JAVA 自定义异常使用Exception

复制收展Javapackage com.algorithm.demo;

/**
 * @Desc 累行客
 * @Author luolei
 * @Web http://www.leixingke.com/
 * @Date 2020/11/17 15:05
 */
class BaseException extends Exception{}
class MyException extends BaseException {}
public class ExceptionTest1 {
    public static void main(String[] args) throws Exception {
        try {
            try {
                throw new MyException();
            }
            catch (MyException e) {
                System.out.println("Caught MyException1");
                BaseException newException = (BaseException)e;
                throw newException;
            }
        }
        catch (MyException e) {
            System.out.println("Caught MyException2");
            return;
        }
        catch (BaseException e) {
            System.out.println("Caught BaseException3");
            throw e;
        }
        finally {
            System.out.println("finally");
        }
    }
}
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