Marian :
I have class:
public class Item {
private String first;
private String second;
public Item(String first, String second) {
this.first = first;
this.second = second;
}
}
And list of such objects:
List<Item> items = asList(new Item("One", "Two"), new Item("Three", "Four"));
My goal is to join list of elements in order to build following string:
One: Two; Three: Four;
I've tried to use StringJoiner, but it looks like it is designed to work with list of some simple types.
Szymon Stepniak :
You can try something like that:
final String result = items.stream()
.map(item -> String.format("%s: %s", item.first, item.second))
.collect(Collectors.joining("; "));
As assylias mentioned in the comment below, last ;
will be missed using this construction. It can be added manually to the final String or you can simply try solution suggested by assylias.
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