package onlyfun.caterpillar;
import java.util.*;
public class StringStack {
private LinkedList linkedList;
public StringStack() {
linkedList = new LinkedList();
}
public void push(String name) {
// å°‡å…ƒç´ åŠ å…¥ä¸²åˆ—å‰ç«¯
linkedList.addFirst(name);
}
public String top() {
// å–得串列第一個元ç´
return linkedList.getFirst();
}
public String pop() {
// 移出第一個元ç´
return linkedList.removeFirst();
}
public boolean isEmpty() {
// 串列是å¦ç‚ºç©º
return linkedList.isEmpty();
}
}