📅  最后修改于: 2022-03-11 14:52:22.096000             🧑  作者: Mango
import java.util.List;
import java.util.ArrayList;
List list = new ArrayList<>();
list.add("first");
list.add("last");
for(String s : list) {
if (s != null) {
//do whaterver wanted
// example:
System.out.println(s);
}
}