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In Kotlin, the when expression can be used as an alternative to the traditional switch statement found in languages like Java. The when expression is versatile, concise, and supports a wide range of matching conditions. Here’s how you can use it: Examples of Using the when Expression Using when as a simple switch: fun getResponse(code: […]
To throttle concurrent threads using ThreadPoolExecutor settings in Java, you can configure its key parameters: core pool size, maximum pool size, and queue capacity. These settings control how ThreadPoolExecutor manages the number of concurrently running threads and queued tasks. Explanation of Key ThreadPoolExecutor Settings: Core Pool Size: This defines the number of threads that are […]
To process tasks as they complete using a CompletionService in Java, you can take advantage of the ExecutorCompletionService. This class provides a mechanism to submit tasks for execution and retrieve their results in the order of completion, rather than the order of submission. Key Steps for Using CompletionService: Create an ExecutorService: This handles the thread […]
To cancel long-running tasks in an ExecutorService, you can use the Future object returned when you submit a task and invoke its cancel method. Below are the steps and some important considerations for canceling tasks: 1. Submit Tasks to the ExecutorService When you submit a task to an ExecutorService, it returns a Future object that […]
In Kotlin, you can use default arguments and named arguments to simplify function calls and make your code more readable and flexible. Here’s how each of them works: Default Arguments Default arguments allow you to set a default value for a function parameter. If you don’t pass a value for that parameter when calling the […]
In Kotlin, defining and calling functions is straightforward and follows a clear syntax. Here’s how you can define and use functions: Defining a Function The fun keyword is used to define a function in Kotlin. Basic Syntax: fun functionName(parameters: ParameterType): ReturnType { // Function body return someValue // Optional if the return type is Unit […]
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