kotlin - Statically Typed Programming Language for the JVM

Kotlin is a statically typed programming language that compiles to JVM byte codes and JavaScript. Java programming language has certain limitations and problems that are either impossible or very hard to fix due to backward-compatibility issues. This new statically typed JVM-targeted language free of the legacy has features include compilation at least as fast as Java, variable type inference, higher-order functions (closures), extension functions, code in interfaces and first-class delegation, etc;