How to get a List of Maps from a List of Objects in Scala -

i need scala. have troubles in understanding how deal collections. have traversing list this

list( myobject(id, name, status), ..., myobject(id, name, status) ) 

and getting list one

list( map("key", id1), map("key", id2), ..., map("key", idn) ) 

notice 'key' element of maps have same

thanks

you can use map function transform list of myobject list of map by:

val list = list( myobject(id, name, status), ..., myobject(id, name, status) ) val result = list map {o => map("key" -> o.id)} 

scala school twitter reading beginners, , if want know architecture of scala collections framework in detail, please refer scala doc