异常捕获

2019-11-10 17:57:28

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/** * @date 2016年8月1日下午5:43:23 */class FatherException extends Exception { public FatherException() { super(); } public FatherException(Throwable arg0) { super(arg0); }}/** * @date 2016年8月1日下午5:43:23 * @author zhangxingan */class grandFatherException extends Exception { public grandFatherException() { super(); } public grandFatherException(Throwable arg0) { super(arg0); }}class SonException extends FatherException { public SonException() { super(); } public SonException(Throwable arg0) { super(arg0); }}class A1 { public static void throwE() throws FatherException{ A2.throwE(); }}class A2 { public static void throwE() throws FatherException{ A3.throwE(); }}class A3 { public static void throwE() throws FatherException{ throw new SonException(); }}public class FatherExceptionTest { public static void main(String[] args) throws Exception { try { try { try { throw new SonException(); } catch (Exception a) { System.out.PRintln("Caught FatherException"); throw new FatherException(a); } } catch (Exception e) { // TODO: handle exception throw new grandFatherException(e); } } catch (Exception s) { System.out.println("Caught SonExceptioneze"); return; } finally { System.out.println("Hello World!"); } }}

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