Java: Converting lists of one element type to a list of another type

Question

I\'m writing an adapter framework where I need to convert a list of objects from one class to another. I can iterate through the source list to do this as in

Java: Best

Answer 1

My answer to that question applies to your case:

import com.google.common.collect.Lists;
import com.google.common.base.Functions

List integers = Arrays.asList(1, 2, 3, 4);

List strings = Lists.transform(integers, Functions.toStringFunction());

The transformed list is a view on the original collection, so the transformation happens when the destination List is accessed.