public class Tree {
private static String tree =
"tree";
String getTree() {
return tree;
}
public static class Elm extends Tree {
private static String tree =
"elm";
public static void main(String[] args) {
new Elm().go(
new Tree());
}
void go(Tree t) {
String s = t.getTree() + Elm.tree + tree + (
new Elm().getTree());
System.out.println(s);
}
}
}
A. elm elm elm elm B. tree elm elm elm C. tree elm elm tree D. elm elm tree elm
正确答案：C
