Learning Kotlin What's new in Kotlin 1.9.20 IDE support New Kotlin K2 compiler updates Kotlin/JVM Kotlin/Native Kotlin Multiplatform Kotlin/Wasm Gradle Standard library Documentation updates 1.9.20 What's new in Kotlin 1.9.0 IDE support New Kotlin K2 compiler updates Language Kotlin/JVM Kotlin/Native Kotlin Multiplatform Kotlin/Wasm Kotlin/JS Gradle Standard library Documentation Kotlin 1.8.20 IDE support New Kotlin K2 compiler updates Language New Kotlin/Wasm target Kotlin/JVM Kotlin/Native Kotlin Multiplatform Kotlin/JavaScript Gradle Standard library Serialization updates

generate a new project in Kotlin. Vert.x, a framework for building reactive Web applications on the JVM, o�ers dedicated support for Kotlin, including full documentation. Ktor is a framework built by JetBrains library that ships with Kotlin is transpiled to JavaScript. However, this excludes the JDK and any JVM or Java framework or library used. Any �le that is not Kotlin will be ignored during compilation. systems Provide the same functionality in the standard library whether targeting JavaScript or the JVM (to the largest possible degree). You may want to compile Kotlin to JavaScript in the following scenarios:

generate a new project in Kotlin. Vert.x, a framework for building reactive Web applications on the JVM, offers dedicated support for Kotlin, including full documentation. Ktor is a framework built by JetBrains library that ships with Kotlin is transpiled to JavaScript. However, this excludes the JDK and any JVM or Java framework or library used. Any file that is not Kotlin will be ignored during compilation systems Provide the same functionality in the standard library whether targeting JavaScript or the JVM (to the largest possible degree). You may want to compile Kotlin to JavaScript in the following scenarios:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 534 JVM Metrics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Using Ahead-of-time Processing With the JVM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 580 14.3.3. Checkpoint and Restore With the JVM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 583 15.1.1. Key Differences with JVM Deployments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 583

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 532 JVM Metrics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Using Ahead-of-time Processing With the JVM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 578 14.3.3. Checkpoint and Restore With the JVM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 581 15.1.1. Key Differences with JVM Deployments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 581

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 534 JVM Metrics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Using Ahead-of-time Processing With the JVM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 580 14.3.3. Checkpoint and Restore With the JVM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 583 15.1.1. Key Differences with JVM Deployments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 583

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 532 JVM Metrics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Using Ahead-of-time Processing With the JVM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 578 14.3.3. Checkpoint and Restore With the JVM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 581 15.1.1. Key Differences with JVM Deployments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 581

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 534 JVM Metrics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Using Ahead-of-time Processing With the JVM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 580 14.3.3. Checkpoint and Restore With the JVM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 583 15.1.1. Key Differences with JVM Deployments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 583

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 532 JVM Metrics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Using Ahead-of-time Processing With the JVM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 578 14.3.3. Checkpoint and Restore With the JVM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 581 15.1.1. Key Differences with JVM Deployments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 581

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 534 JVM Metrics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Using Ahead-of-time Processing With the JVM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 580 14.3.3. Checkpoint and Restore With the JVM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 583 15.1.1. Key Differences with JVM Deployments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 583