A modern programming language that makes developers happier.

kotlinlang

We have 40k Kotlin LOCs and 133k Java LOCs (most of Java code is generated) in our project. And it takes about a minute to launch the application on a device after changing a single line in Kotlin code.
```
Total time: 1 mins 2.245 secs
 0% :mobile:compileProtodevDebug (0:00.097)
 0% :mobile:mergeDevDebugResources (0:00.091)
 0% :mobile:fabricGenerateResourcesDevDebug (0:00.058)
 2% :mobile:jrebelPinDevDebugResids (0:01.013)
 2% :mobile:processDevDebugResources (0:01.176)
37% :mobile:compileDevDebugKotlin (0:21.807)
 0% :mobile:compileDevDebugJavaWithJavac (0:00.064)
 0% :mobile:jrebelPostProcessDevDebugResids (0:00.080)
 0% :mobile:transformClassesAndResourcesWithExtractJarsForDevDebug (0:00.227)
 9% :mobile:transformClassesWithLightsaberForDevDebug (0:05.278)
11% :mobile:transformClassesWithDexForDevDebug (0:06.797)
 0% :mobile:transformResourcesWithMergeJavaResForDevDebug (0:00.273)
 8% :mobile:packageDevDebug (0:04.558)
 0% :mobile:zipalignDevDebug (0:00.134)
29% :mobile:installDevDebug (0:17.503)
```