try: 0/0 except Exception as e: print(e) The above code prints division by zero as one would expect. But if we try to print without creating the alias: try: 0/0 except Exception: print(Exception) It simply prints <class ‘Exception’>. What is happening here? The as keyword is used to create an "alias". If the error message… Read More What exactly happens when you create an alias of the Exception class?

I am trying to Create 2 tables in SQLite Database. I am using sqlite-jdbc-3.32.3.2. but getting [SQLITE_ERROR] SQL error or missing database (near "AUTOINCREMENT": syntax error) package logic; import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.PreparedStatement; import java.sql.Statement; public class SqliteComm{ public static void main(String[] args) { initializeDatabase(); } public static boolean initializeDatabase()… Read More SQL error or missing database (near "AUTOINCREMENT": syntax error)

In this example try: raise ValueError except ValueError as e: raise IndexError from e The traceback notes … ValueError: The above exception was the direct cause of the following exception: IndexError … If I were to catch the IndexError, how would I inspect the traceback to discover that it was caused by a ValueError? >Solution… Read More Determine cause of exception

I have code like this: try { await myFunc(); } catch (MyException ex) { switch (ex.Code) { case 1: … break; case 2: … break; … } } And was wondering is it possible to make all that look something like this: … { await myFunc().HandleMyExeptions(OnMyException); } private void OnMyException(int exCode) { switch (ex.Code) {… Read More 'Catch exception' extension on Task class

I coded the following java snippet. I want to throw, catch and handle exception if user enters value other than "A","B" or "C". I know this can be done without exception but my task is to implement this with exception. The following code catches exception but the problem is that even if I enter value… Read More Validating Input string with Exceptions in Java

I’m doing some java exercise for an exam and I have a problem in some of them, like this: This is the code: public class A1 { public static void main(String [] argv) throws Exception { try { m(); System.out.print(1); } catch( Exception u ) { System.out.print(2); } finally { System.out.print(3); throw( new MyExc2() );… Read More Unreachble catch block java exercise

I have a scenario where I call a library method that catches any exception that occurs and re-throws another exception. Is there a way I can get the original exception? Please find a minimal reproducible code below: def f(): raise KeyError("key not found") def g(): try: f() except Exception as e: raise Exception(f'{e}’) try: g()… Read More Can I know the actual exception caught by the method?

The following code works on Samsung devices to get the Android version number: String buildVersionRelease = Build.VERSION.RELEASE_OR_CODENAME; The same code returns this error on OnePlus devices (3T and 5T) java.lang.NoSuchFieldError: No static field RELEASE_OR_CODENAME of type Ljava/lang/String; in class Landroid/os/Build$VERSION; or its superclasses (declaration of ‘android.os.Build$VERSION’ appears in /system/framework/framework.jar!classes2.dex) >Solution : You can take it… Read More Is there a reason why OnePlus devices don't have the Build.VERSION.RELEASE_OR_CODENAME value

I am writing a program that converts a prefix expression to a postfix expression. For an expression like " x-x-ABC+BA " the program should throw an out of bounds exception, and the program should continue onto the next line (from the input document), I have managed to make it work for one expression like "x-x-ABC+BA",… Read More How to catch an out of bounds exception in Java and continue?