JavaʵÏÖÑ»·¶ÓÁÐ
import java.io.*;
public class QueueArray {
Object[] a; //¶ÔÏóÊý×飬¶ÓÁÐ×î¶à´æ´¢a.length-1¸ö¶ÔÏó
int front; //¶ÓÊ×ϱê
int rear; //¶Óβϱê
public QueueArray(){
this(10); //µ÷ÓÃÆäËü¹¹Ôì·½·¨
}
public QueueArray(int size){
a = new Object[size];
front = 0;
rear =0;
}
/**
* ½«Ò»¸ö¶ÔÏó×·¼Óµ½¶ÓÁÐβ²¿
* @param obj ¶ÔÏó
* @return ¶ÓÁÐÂúʱ·µ»Øfalse,·ñÔò·µ»Øtrue
*/
public boolean enqueue(Object obj){
if((rear+1)%a.length==front){
return false;
}
a[rear]=obj;
rear = (rear+1)%a.length;
return true;
}
/**
* ¶ÓÁÐÍ·²¿µÄµÚÒ»¸ö¶ÔÏó³ö¶Ó
* @return ³ö¶ÓµÄ¶ÔÏ󣬶ÓÁпÕʱ·µ»Ønull
*/
public Object dequeue(){
if(rear==front){
return null;
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