doc(): clear notes and add examples

Author: dancer1325

templates/inc/pages/index/KotlinValues/README.md

@@ -18,7 +18,9 @@
       * Problems:
         * Problem1: "SimplifyConcurrency.kt:13:43: error: too many arguments for 'suspend fun Flow<*>.collect(): Unit'."
           * Solution: refactor `collect { value ->`
-        * Problem2: "SimplifyConcurrency.kt:14:14: error: cannot infer type for this parameter. Specify it explicitly.onEach { value -> log(start, "Countdown: $value") }^^^^^^"
-          * Solution: TODO:
 * `java -jar outputPathOrName.jar`
   * run the application
+  * | [SimplifyConcurrency.kt](SimplifyConcurrency.kt)
+    * Problems:
+      * Problem1: "Error: Unable to initialize main class SimplifyConcurrencyKt. java.lang.NoClassDefFoundError: kotlinx/coroutines/flow/Flow"
+        * Solution: `java -cp SimplifyConcurrency.jar:kotlinx-coroutines-core-jvm-1.10.2.jar SimplifyConcurrencyKt`

templates/inc/pages/index/KotlinValues/SimplifyConcurrency.kt

@@ -16,21 +16,21 @@ fun main() = runBlocking {
         // 5. cancel a coroutine
         waitingJob.cancel()
     }
-    log(start, "Liftoff!")                           // Execution continues when all
-}                                                    // coroutines have finished
+    log(start, "Liftoff!")
+}
 
-fun countdownSignals(n: Int, delayMillis: Long): Flow<Int> = flow { // Flow builder
+fun countdownSignals(n: Int, delayMillis: Long): Flow<Int> = flow {
     for (i in (1..n).reversed()) {
-        delay(delayMillis)                           // Delay in emitting signals
-        emit(i)                                      // Emit the flow element
+        delay(delayMillis)
+        emit(i)
     }
 }
 
 // 2. suspend & resumed later functions
 suspend fun waiting(start: Long, delayMillis: Long) {
-    while (currentCoroutineContext().isActive) {     // Check coroutine's context
+    while (currentCoroutineContext().isActive) {
         log(start, "Waiting...")
-        delay(delayMillis)                           // Waiting concurrently
+        delay(delayMillis)
     }
 }