does mixing Java and Kotlin files in the same JVM project affect build speeds negatively? Is it more efficient to be 100% Kotlin? (note: this applies to a JVM project that imports JARs/AARs for Android)
w
wasyl
01/15/2020, 11:25 PM
iirc yes, but I can’t find source 😕 But I recall some performance hit related to multiple compilation passes so that Java sources know about Kotlin classes and Kotlin sources know about Java classes
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t
tschuchort
01/16/2020, 9:22 PM
Yes, Java compilation is a separate call to the Java compiler.