in java-samples/src/main/java/com/jetbrains/debugging/MultiLineExpressions.java [11:29]
public static void main(String[] args) {
String message = "I do not know where family doctors acquired illegibly perplexing handwriting; " +
"nevertheless, extraordinary pharmaceutical intellectuality counterbalancing indecipherability " +
"transcendentalizes intercommunication's incomprehensibleness";
String[] words = message.split(" ");
String containingL = Stream.of(words)
.distinct()
.map(String::toLowerCase)
.filter(mood -> mood.contains("l"))
.distinct()
.collect(Collectors.joining(","));
System.out.println(containingL);
}