JavaʵÏÖ¶ÓÁвÙ×÷
import java.util.LinkedList;
//µ¥Ïò¶ÓÁÐ
public class Queue {
public Queue() {
}
private LinkedList list = new LinkedList();
public void put(Object v) {
list.addFirst(v);
}
public Object get() {
return list.removeLast();
}
public boolean isEmpty() {
return list.isEmpty();
}
}
import java.util.Collection;
import java.util.Iterator;
import java.util.LinkedList;
// Ë«Ïò¶ÓÁÐ
public class DQueue implements Collection {
private LinkedList lists;
public DQueue() {
lists = new LinkedList();
}
public void put_front(Object v) {
lists.addFirst(v);
}
public void put_back(Object v) {
lists.addLast(v);
}
public Object get_front() {
return lists.removeFirst();
}
public Object get_Back() {
return lists.removeLast();
}
public boolean isEmpty() {
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