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how to handle exceptions

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Obedient Ocelot answered on January 5, 2021 Popularity 10/10 Helpfulness 1/10

answer how to handle exceptions

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how to handle exceptions

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I use try & catch & finally block
to handle exception if I will use the method
in different class.

Or If I will use it only once and if it is checked
exception then I use THROWS keyword on method signature

Popularity 10/10 Helpfulness 1/10 Language whatever

Source: Grepper

Tags: handle selenium whatever

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Contributed on Jan 05 2021

Obedient Ocelot

0 Answers Avg Quality 2/10

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Handling Exceptions

Comment

>>> while True:
...     try:
...         x = int(input("Please enter a number: "))
...         break
...     except ValueError:
...         print("Oops!  That was no valid number.  Try again...")
...

Popularity 9/10 Helpfulness 1/10 Language whatever

Source: docs.python.org

Tags: whatever whateve

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Contributed on Jun 18 2022

Yuvi On YT

0 Answers Avg Quality 2/10

Handling Exceptions

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import sys

try:
    f = open('myfile.txt')
    s = f.readline()
    i = int(s.strip())
except IOError as err:
    print("I/O error: {0}".format(err))
except ValueError:
    print("Could not convert data to an integer.")
except:
    print("Unexpected error:", sys.exc_info()[0])
    raise

Popularity 9/10 Helpfulness 1/10 Language whatever

Source: docs.python.org

Tags: whatever whateve

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Contributed on Jun 18 2022

Yuvi On YT

0 Answers Avg Quality 2/10

Handling Exceptions

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for arg in sys.argv[1:]:
    try:
        f = open(arg, 'r')
    except IOError:
        print('cannot open', arg)
    else:
        print(arg, 'has', len(f.readlines()), 'lines')
        f.close()

Popularity 9/10 Helpfulness 1/10 Language python

Source: docs.python.org

Tags: python py

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Contributed on Jun 18 2022

Yuvi On YT

0 Answers Avg Quality 2/10

Handling Exceptions

Comment

... except (RuntimeError, TypeError, NameError):
...     pass

Popularity 8/10 Helpfulness 1/10 Language whatever

Source: docs.python.org

Tags: whatever

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Contributed on Jun 18 2022

Yuvi On YT

0 Answers Avg Quality 2/10

Handling Exceptions

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>>> try:
...    raise Exception('spam', 'eggs')
... except Exception as inst:
...    print(type(inst))    # the exception instance
...    print(inst.args)     # arguments stored in .args
...    print(inst)          # __str__ allows args to be printed directly,
...                         # but may be overridden in exception subclasses
...    x, y = inst.args     # unpack args
...    print('x =', x)
...    print('y =', y)
...
<class 'Exception'>
('spam', 'eggs')
('spam', 'eggs')
x = spam
y = eggs

Popularity 8/10 Helpfulness 1/10 Language whatever

Source: docs.python.org

Tags: whatever

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Contributed on Jun 18 2022

Yuvi On YT

0 Answers Avg Quality 2/10

Handling Exceptions

Comment

>>> def this_fails():
...     x = 1/0
...
>>> try:
...     this_fails()
... except ZeroDivisionError as err:
...     print('Handling run-time error:', err)
...
Handling run-time error: int division or modulo by zero

Popularity 8/10 Helpfulness 1/10 Language whatever

Source: docs.python.org

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Contributed on Jun 18 2022

Yuvi On YT

0 Answers Avg Quality 2/10

Exceptions on Errors

Comment

try:
    normal_processing_block
except ExceptionClass as e:
    error_processing_block
finally: # optional
    final_processing_in_all_cases

Popularity 4/10 Helpfulness 1/10 Language cpp

Source: course.cse.ust.hk

Tags: c++

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Contributed on Dec 22 2022

Repulsive Rabbit

0 Answers Avg Quality 2/10

Handling exceptions

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.flatMap(card -> {
  if (Objects.isNull(card.getId())) {
    return service.registerCard(mono)
        .map(ce -> status(HttpStatus.CREATED)
            .body(assembler.entityToModel(ce, exchange)));
  } else {
    return Mono.error(
        () -> new CardAlreadyExistsException(" for user with ID         - " + d.getId()));
  }
})
Mono<List<String>> monoIds = itemRepo.findByCustomerId(      customerId)
    .switchIfEmpty(Mono.error(new ResourceNotFoundException(
        ". No items found in Cart of customer with Id - " +            customerId)))
    .map(i -> i.getId().toString())
    .collectList().cache();
    public class ResourceNotFoundException extends RuntimeException
return service.getCartByCustomerId(customerId)
    .map(cart ->
        assembler.itemfromEntities(cart.getItems().stream()
            .filter(i -> i.getProductId().toString().                    equals(itemId.trim())).collect(toList()))
            .get(0)).map(ResponseEntity::ok)
    .onErrorReturn(notFound().build())

Popularity 6/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: java

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Contributed on Feb 18 2023

Pragya Keshap

0 Answers Avg Quality 2/10

how to handle exceptions

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Handling Exceptions

Handling Exceptions

Handling Exceptions

Handling Exceptions

Handling Exceptions

Exceptions on Errors

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