If I have a List>, how can I turn that into a List that contains all the objects in the same iteration order by using the features of Java 8? Answer You can use flatMap to flatten the internal lists (after converting them to Streams) into a single Stream, and then collect the result into a list:List> list = ...List flat = list.stream() .flatMap(List::stream) .collect(Collectors.toList()); No comments: Post a Comment Newer Post Older Post Home Subscribe to: Post Comments (Atom) php - file_get_contents shows unexpected output while reading a file I want to output an inline jpg image as a base64 encoded string, however when I do this : $contents = file_get_contents($filename); print ... database - Android Studio: show username in textview with SQLite I have an app which needs a login and a registration with SQLite. I have the database and a user can login and register. But i would like th... regex - Splitting string and removing whitespace Python I would like to split a String by comma ',' and remove whitespace from the beginning and end of each split. For example, if I have ... How to solve the java.lang.ArrayIndexOutOfBoundsException: 1 >= 0 error in my java program? I got an error in my Java program. I think this happens because of the constructor is not intialized properly. My Base class Program public ...
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List that contains all the objects in the same iteration order by using the features of Java 8? Answer You can use flatMap to flatten the internal lists (after converting them to Streams) into a single Stream, and then collect the result into a list:List> list = ...List flat = list.stream() .flatMap(List::stream) .collect(Collectors.toList()); No comments: Post a Comment Newer Post Older Post Home Subscribe to: Post Comments (Atom) php - file_get_contents shows unexpected output while reading a file I want to output an inline jpg image as a base64 encoded string, however when I do this : $contents = file_get_contents($filename); print ... database - Android Studio: show username in textview with SQLite I have an app which needs a login and a registration with SQLite. I have the database and a user can login and register. But i would like th... regex - Splitting string and removing whitespace Python I would like to split a String by comma ',' and remove whitespace from the beginning and end of each split. For example, if I have ... How to solve the java.lang.ArrayIndexOutOfBoundsException: 1 >= 0 error in my java program? I got an error in my Java program. I think this happens because of the constructor is not intialized properly. My Base class Program public ...
Answer
You can use flatMap to flatten the internal lists (after converting them to Streams) into a single Stream, and then collect the result into a list:
flatMap
List> list = ...List flat = list.stream() .flatMap(List::stream) .collect(Collectors.toList()); No comments: Post a Comment Newer Post Older Post Home Subscribe to: Post Comments (Atom) php - file_get_contents shows unexpected output while reading a file I want to output an inline jpg image as a base64 encoded string, however when I do this : $contents = file_get_contents($filename); print ... database - Android Studio: show username in textview with SQLite I have an app which needs a login and a registration with SQLite. I have the database and a user can login and register. But i would like th... regex - Splitting string and removing whitespace Python I would like to split a String by comma ',' and remove whitespace from the beginning and end of each split. For example, if I have ... How to solve the java.lang.ArrayIndexOutOfBoundsException: 1 >= 0 error in my java program? I got an error in my Java program. I think this happens because of the constructor is not intialized properly. My Base class Program public ...
I want to output an inline jpg image as a base64 encoded string, however when I do this : $contents = file_get_contents($filename); print ...