public int testTry()
{
try {
try {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss ");
String time="2019-04-18 13:22:11";
Date slaveDate = sdf.parse(time.toString());
} catch (Exception e) {
e.printStackTrace();
return 3;
}finally{
System.out.println("---------------------------");
}
System.out.println("===================================");
} catch (Exception e) {
e.printStackTrace();
System.out.println("#######################");
return 2;
}finally {
System.out.println("**************************");
}
System.out.println("1111111111111111111111111111111");
return 0;
}
在main方法中調用,打印出的日誌爲:
java.text.ParseException: Unparseable date: "2019-04-18 13:22:11"
at com.ibm.icu.text.DateFormat.parse(DateFormat.java:511)
at webservice.WebServiceTest.testTry(WebServiceTest.java:292)
at webservice.WebServiceTest.main(WebServiceTest.java:314)
---------------------------
**************************
3
可以看出,當try代碼段出現問題時,內層catch會首先捕獲異常,然後調用內層finally方法,再調用外層finally方法,最後返回內層catch中return的值