Convert List into map using java 8 Streams | key should be String value should be length of String

📌Java 8 Streams: Convert List into map using java 8 Streams
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[rishiraj]

Great thanks. I need this knowledge bit time to time.

[GVANR]

How do you use a map function to apply of a list of elements and then convert the results of the map function to a hashmap?

String[] vals = {"key1=val1", "k2=v2"};
List<String> valList = Arrays.asList(vals);
Map<String, String> options = valList.stream().map(
listTuple -> {
String[] splitTuple = listTuple.split("=");
return new Map.Entry<>(splitTuple[0].replaceAll("\\s", ""), splitTuple[1]);
}
)

is there a way to take a map custom function to covert a list to a hashmap?