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Scala-Try-Catch-Finally.sc
In this we will see various examples of Scala Exceptional Handling.
try{
val a=5
val b=0
a/b
} catch{
case t: Throwable => println("Divide by zero error")
}
finally {
println("In finally")
}
Output:
Divide by zero error
In finally
try{
opensftpreadfile("location")
} catch{
case e: FileNotFoundException => println("Could not find file.")
case e: IOException => println("IOException during file read")
}
finally {
println("In finally")
}
try{
opensftpreadfile("location")
} catch{
case e: Throwable => println("Issue Occurred Hence Existing")
}
try{
opensftpreadfile("location")
} catch{
case e: FileNotFoundException => functionToGenerateFile()
case e: IOException => sendEmailToSupport()
case e: Throwable => print("Some Error")
}
val x: String =try{
val str = "GOOD"
str.substring(0,12)
} catch{
case e: Throwable => "Some Error"
}
finally {
println("In finally")
}
try{
val str = "GOOD"
str.charAt(20)
} catch{
case e: Throwable => println("String is short")
}
println("Reached this Step")
Output:
String is short
Reached this Step
try{
val str = "GOOD"
str.charAt(20)
} catch{
case e: Throwable => println("String is short")
throw e
}
println("Reached this Step")
Output:
String is short
java.lang.StringIndexOutOfBoundsException: String index out of range: 20
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