compare.java.with.kotlin.md

String line;

while((line = br.readLine()!=null) {
  // do something
}

var line: String?

do {
    line = readLine()
} while (when(line) {
    null -> false
    else -> {
        // do something
        true
    }
})

$(File).forEachLine {
  // do something
}

TODO

Contents can't be empty.