Isn't an unchecked exception that is caught in a try block a checked exception in Java? -

-

I was told that in Java, unchecked exceptions can be caught in a try block, but if it has been caught, So is not it called a check exception?

Unchecked exception exceptions are - hold - Blocks are unchecked exceptions or sub-classes of squares.

There are exception exception exceptions that need to be caught in the try - hold block.

The definition of checked and uncontrolled exceptions can be found in the following:

Uncheck exception class class runtime exception and its subclass and The class error and its subclass are examining all the exception classes for class exception classes.

Just because an unwanted exception is caught in a hold block, this check does not make exception - that means an uncontrolled exception was caught, and Grip was handled in the block.

Anyone can hold one unchecked exception, and then throw is a new check exception, so any system called any The method where an unwanted exception can arise and compel the method that it asks to conduct an exception. For example, NumberFormatException that can be thrown in handling some unordered string with the Integer.parseInt method, so it needs to be caught is not. However, the method used to call that method can adjust its problem properly, so it can put another exception which is not the subclass of runtime exponent ): 

  public int getIntegerFromInput throws BadInputException {int i = 0; Try {i = integer Paracetrain (s); Hold (NumberFormatException E) {New BadInputException Throw); } Came back; }

In the above example, NumberFormatException has been caught in the try - hold block, And

getIntegerFromInput will be forced to capture any caller for a method BadInputException , and to deal with poor input Forced to catch and handle NumberFormatException , any collar of this method would have to handle the exceptionally correctly.

(Also, it should be noted, the exception is eating and

    • - The practice of catching an exception and throwing a new one up as an example.

Comments

Post a Comment

Popular posts from this blog

c++ - Linux and clipboard -

-
After selecting the copies of the buffer in Linux, after the text, we can click and paste the button between the mouse. I think there is a special buffer for this, I want to use it. Programming Language: C ++ Your Library: Qt Thanks. There is just one more correct answer than Paul Dixon, which answers your needs: / P > QClipboard * clipboard = QApplication :: clipboard (); CastString Selected Text = Clipboard-> Text (QClipboard :: Selection);
Read more

What is expire header and how to achive them in ASP.NET and PHP? -

-
I have examined the performance statistics of my website today. I have received a warning (or error may occur) that is given below Add Terminal Headers Here are 15 static components without a 15-futures end date * (no end) Http://www.example.com/video/css/global.css * (no time limit) http://www.example.com/video/js/global.js * (no expiration ) Http: //www.example.com/video/images/main-bg.png what it means and how to achieve it both in PHP and ASP.Net. I am on a shared hosting server, so please tell me some ways to use the code, because I can not make any modifications at the end of the server. If I expire the header, then there is no chance that if I make changes to the CSS, then the user will not be able to remove them immediately because CSS and other files have a fixed time limit (1 month, week ) Are cached for. Is Is there any harm to using PHP? $ time = time () + 3 * 24 * 60 * 60; // 3 day headings ('End:'. GMDAT ('D, D MYH: i: s \ g \ m \ t',
Read more

sql server - How can I determine which of my SQL 2005 statistics are unused? -

-
After a few years, one of my biggest databases has deposited 73 figures out of its largest tables. With Indexes, I can run many types of reports and queries, how often / heavily specific indexes are used. What is an equivalent for data? We are running SQL 2005. To make statistics automatically managed and honest, I would like to "update statistics", "create statistics" and There is no information about any management except "drop statistics" orders. In theory, UPDATE should handle the addition and removal of statistical data. In addition, I've never heard about the amount of storage or storage taking in large amounts, so I'm not sure whether there is any reason for the alarm or not. If you are seeing a potential problem, then I would suggest running an update before, if it does not clean it, it is leaving and then it appears to be safe operation (because it is the only query optimizer Is for). I will not leave "left" in the
Read more