How-to articles, tricks, and solutions about EXCEPTION

Yes, you can catch multiple exceptions in the same catch clause in Java.

In Python, you can catch multiple exceptions in a single except block by separating the exceptions with a tuple.

The file_get_contents() function in PHP is used to read a file and return its contents as a string.

To safely create a nested directory in python, you can use the os module and the makedirs function.

java.lang.NoClassDefFoundError is an error that occurs when the Java Virtual Machine (JVM) can't find a required class definition at runtime. This can happen for a variety of reasons, including:

You can catch all exceptions by using the Exception class in the except block, like this:

In Python, you can check if a variable exists by using the globals() or locals() function to check if the variable is in the global or local namespace, respectively.

You can print an exception in Python by using the print() function and passing the exc variable which is the default variable name for an exception.

You can use the pytest.raises function to test that a Python function throws an exception.

To assert that a certain exception is thrown in a JUnit test, you can use the @Test annotation's expected attribute. Here's an example:

You can use the traceback module to catch and print the full exception traceback without halting/exiting the program.

It's generally not recommended to ignore exceptions, as they often indicate a problem in the code that should be addressed.

To test that no exception is thrown in a Java method, you can use the assertDoesNotThrow method from the org.junit.jupiter.api.Assertions class (part of the JUnit 5 library).

A java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) error typically indicates that the MySQL server is unable to authenticate the user with the provided username and password.

In Python, you can raise an exception using the raise statement.

To declare a custom exception in Python, you can create a new class that inherits from the built-in Exception class.

To capture an exception message in Python, you can use a try-except block and the as keyword to assign the exception message to a variable.

java.lang.ArrayIndexOutOfBoundsException is an exception that is thrown when you try to access an element of an array with an index that is out of bounds. This can happen if you try to access an index that is either negative or greater than or equal to

The java.lang.reflect.InvocationTargetException is a checked exception that is thrown when an exception is thrown by an invoked method or constructor.

A StackOverflowError is an error that occurs when the Java Virtual Machine (JVM) runs out of space on the call stack. The call stack is a data structure that is used to store information about method calls, including the name of the method, the parameters

In Python, the assert statement is used to check if a certain condition is true, and if it is not true, raise an exception.

You can raise the ValueError exception when you encounter bad or illegal argument combinations in Python.

The java.lang.UnsupportedOperationException is thrown when an operation is not supported by a class.