package com.coding.basic;
public class Queue {
private LinkedList list = new LinkedList();
public void enQueue(Object o){
list.add(o);
}
public Object deQueue(){
int length = list.size();
if (length == 0) {
return null;
}
return list.removeFirst();
}
public boolean isEmpty(){
if (list.size() == 0) {
return true;
} else {
return false;
}
}
public int size(){
return list.size;
}
}