Exceptions

In general, an exception breaks the normal flow of execution and executes a pre-registered exception handler.

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Languages with Exceptions include Java, JavaScript, C++, PHP, Ruby, C#, Scala, Swift, Kotlin, PowerShell, Dart, Groovy, CoffeeScript, Solidity, X10, ABAP, Apex, Sophia

Example from JavaScript:

try {
 undefinedFn()
} catch (err) {
 console.log(err)
}

Example from Ruby:

def hello
 puts "Hello, World!"
   # start an exception handler
   begin
       raise "This is an exception"
   rescue => e
       puts "Exception caught: #{e}"
   end
 end
hello

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