Handling errors with pattern matching in scala

Category : Scala | Sub Category : Scala Programs | By Prasad Bonam Last updated: 2023-10-21 04:01:00 Viewed : 252

In Scala, pattern matching can be used to handle errors and exceptions in a concise and elegant manner. You can leverage pattern matching to check for specific error cases and take appropriate actions based on the matched patterns. Here is an example of handling errors with pattern matching in Scala:

scalaCopy code
// Simulating a function that may throw an exception
def divide(x: Int, y: Int): Int = {
  if (y == 0) throw new ArithmeticException("Division by zero")
  else x / y
}

// Handling errors using pattern matching
try {
  val result = divide(10, 0)
  println(s"Result: $result")
} catch {
  case e: ArithmeticException => println(s"Error: ${e.getMessage}")
}

In this example:

• The divide function simulates a division operation that may throw an ArithmeticException if the divisor is 0.
• The try block is used to execute the potentially risky code, and the catch block with pattern matching is used to handle the specific ArithmeticException and print a custom error message.

By using pattern matching to handle errors in Scala, you can create more structured and readable error-handling code that precisely targets specific error cases and provides appropriate responses