error handling (#837)

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Author: kanake10

core-kotlin-modules/core-kotlin-concurrency-3/src/main/java/com/baeldung/errorhandling/ExceptionHandlingMethods.kt

@@ -0,0 +1,62 @@
+package com.baeldung.errorhandling
+
+import kotlinx.coroutines.*
+
+fun main() = runBlocking {
+    launch {
+        try {
+            val result = 10 / 0
+            println("Result: $result")
+        } catch (e: ArithmeticException) {
+            println("Caught an ArithmeticException: $e")
+        }
+    }
+    delay(1000)
+}
+
+fun main1() {
+    runBlocking {
+        try {
+            coroutineScope {
+                launch {
+                    delay(100)
+                    throw CustomException("An exception occurred!")
+                }
+                launch {
+                    delay(200)
+                    println("This coroutine completes successfully.")
+                }
+            }
+        } catch (e: CustomException) {
+            println("Caught exception: ${e.message}")
+        }
+    }
+}
+
+class CustomException(message: String) : Exception(message)
+
+fun main2() = runBlocking {
+    val exceptionHandler = CoroutineExceptionHandler { _, exception ->
+        println("Caught an exception: ${exception.message}")
+    }
+    supervisorScope {
+        val job1 = launch(exceptionHandler) {
+            delay(100)
+            println("This coroutine completes successfully.")
+        }
+        val job2 = launch(exceptionHandler) {
+            throw Exception("An exception occurred!")
+        }
+        listOf(job1, job2).joinAll()
+    }
+}
+fun main3() = runBlocking {
+    val exceptionHandler = CoroutineExceptionHandler { _, exception ->
+        println("Caught global exception: ${exception.message}")
+    }
+    val job = GlobalScope.launch(exceptionHandler) {
+        delay(100)
+        throw CustomException("An exception occurred!")
+    }
+    job.join()
+}