Mi ne scias kila mia solvo ne validas, I don't know why my solution is not validated

Question about the task

Resolved

La solvo aperas funkcii, sed la sistemo ne akceptas gxin. Kial ? The solution seems to be working, but the system does not accept it. Why ?

1. Analyze the exceptions thrown by the BEAN.throwExceptions method.
2. The handleExceptions method must call the BEAN.throwExceptions method and handle exceptions:
2.1. if there is a FileSystemException, then log it (call the BEAN.log method) and rethrow
2.2. if there is a CharConversionException or any other IOException, then just log it (call the BEAN.log method)
3. Add to the handleExceptions method signature the exception class you throw in Item 2.1.
4. In the main method, handle the remaining exception by logging it. Use try-catch

Hint:
If you capture a MyException and you didn't want to catch it, you can rethrow it using code like:
catch (MyException e) { throw e; }

Requirements:

The handleExceptions method must call the BEAN.throwExceptions method.
The handleExceptions method should log the FileSystemException (call the BEAN.log method), and then rethrow it.
The handleExceptions method should only log (call the BEAN.log method) the CharConversionException.
The handleExceptions method should only log any IOException.
Add the FileSystemException class to the signature of the handleExceptions method.
The main method should use try-catch.
The main method should log the exceptions thrown by the handleExceptions method.

package com.codegym.task.task09.task0915; import java.io.CharConversionException; import java.io.IOException; import java.nio.file.FileSystemException; /* Catching custom exceptions */ public class Solution { public static StatelessBean BEAN = new StatelessBean(); public static void main(String[] args) throws Exception { try { handleExceptions(); } catch (Exception e) { String uzenet = e.toString(); System.out.println(uzenet); if (uzenet == "java.io.FileSystemException") { BEAN.log(e); throw e; } else if ((uzenet == "java.io.CharConversionException") || (uzenet == "java.io.IOException")) { BEAN.log(e); } else { BEAN.log(e); } } } public static void handleExceptions() throws Exception { BEAN.throwExceptions(); } public static class StatelessBean { public void log(Exception exception) { System.out.println(exception.getMessage() + ", " + exception.getClass().getSimpleName()); } public void throwExceptions() throws CharConversionException, FileSystemException, IOException { int i = (int) (Math.random() * 3); if (i == 0) throw new CharConversionException(); if (i == 1) throw new FileSystemException(""); if (i == 2) throw new IOException(); } } }

Comments (3)

Popular
New
Old

You must be signed in to leave a comment

Guadalupe Gagnon

Level 37 , Tampa, United States

26 March 2019, 18:02

useful

The handle exception method is where most of the code should be, basically everything in main should be there instead. Main should only handle one exception thereafter.

Kisszol

Level 15 , Toeroekbalint, Hungary

26 March 2019, 21:29

Dankon, mi reparis mian solvon kaj funkcias. public static void main(String[] args) throws Exception { try { handleExceptions(); } catch (FileSystemException e) { BEAN.log(e); } } public static void handleExceptions() throws FileSystemException { try { BEAN.throwExceptions(); } catch (FileSystemException e) { BEAN.log(e); throw e; } catch (CharConversionException e) { BEAN.log(e); } catch (IOException e) { BEAN.log(e); } }

polbatona

Level 17 , Omsk, Russian Federation

27 June 2019, 18:54

public static void main(String[] args) throws Exception {

Exception - not required.

try {
           handleExceptions();
       } catch (FileSystemException e) {

4. In the main method, handle the remaining exception by logging it. Use try-catch. Instead of FileSystemException, you must specify Exception.