How using try catch for exception handling is best practice 71 Best practice is that exception handling should never hide issues This means that try-catch blocks should be extremely rare There are 3 circumstances where using a try-catch makes sense Always deal with known exceptions as low-down as you can However, if you're expecting an exception it's usually better practice to test for it first
Exception handling try catch inside catch - Stack Overflow I recently came across code written by a fellow programmer in which he had a try-catch statement inside a catch! Please forgive my inability to paste the actual code, but what he did was something
Difference between try-finally and try-catch - Stack Overflow Finally and catch blocks are quite different: Within the catch block you can respond to the thrown exception This block is executed only if there is an unhandled exception and the type matches the one or is subclass of the one specified in the catch block's parameter Finally will be always executed after try and catch blocks whether there is an exception raised or not
Placement of catch BEFORE and AFTER then - Stack Overflow In the second scheme, if the promise p rejects, then the catch() handler is called If you return a normal value or a promise that eventually resolves from the catch() handler (thus "handling" the error), then the promise chain switches to the resolved state and the then() handler after the catch() will be called So that's difference #2