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package efficiency;
public class Efficiency {
    public void eff() {
        int a = 0;
        for (int i = 0; i < 10000; i++) {
            a += i;
        }
    }
    public static void eff1() {
        int a = 0;
        for (int i = 0; i < 10000; i++) {
            a += i;
        }
    }
}
package efficiency;
import org.junit.Test;
public class EfficiencyTest {
    @Test
    public void testEff() {
        long st = new java.util.Date().getTime();
        for (int i = 0; i < 100000; i++) {
            new Efficiency().eff();
        }
        long en = new java.util.Date().getTime();
        System.out.println("Æðʼʱ¼ä" + new java.util.Date(st) + "½áÊø


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JavaÊý¾Ý½á¹¹ºÍËã·¨ Õ»Óë¶ÓÁÐ

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package ChapterOne;
public class Stack {
//Õ»Êý×é
long stackArr[];
//Õ»µÄ´óС
int maxSize;
//Õ»µÄ¶¥²¿
int top;
//³õʼ»¯Ò»¸ö´óСΪsizeµÄÕ»
public Stack(int size){
maxSize = size;
stackArr = new long[size];
top = -1;
}
//³öÕ»²Ù×÷
public long pop(){
return sta ......

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1, ±£Ö¤Ḭ̈߳²È«µÄÈýÖÖ·½·¨ :
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b, ʹ¹²Ïí±äÁ¿ÊÇ finalÀàÐ͵Ä
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2, Ò»¿ªÊ¼¾Í½«ÀàÉè¼Æ³ÉḬ̈߳²È«µÄ , ±ÈÔÚºóÆÚÖØÐÂÐÞ¸´Ëü ,¸üÈÝÒ× .
3, ±àд¶àÏ̳߳ÌÐò , Ê×Ïȱ£Ö¤ËüÊÇÕýÈ·µÄ , Æä´ÎÔÙ¿¼ÂÇÐÔÄÜ .
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5, ²»Òª½«Ò»¸ö¹²Ïí±äÁ¿Âã ......

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4¡¢Ëæ»ú¶ÁÈ¡ÎļþÄÚÈÝ
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputS ......

minaÖ®ÐÔÄÜȱÏݼ°bug,java¸ßÐÔÄÜÓÎÏ··þÎñÆ÷ºÎÔÚ?

Apache MINA (mina-2.0.0-M6Ô´ÂëΪÀý):
    ÎÒÃÇʹÓÃmina nio tcp×î³£ÓõÄÑùÀýÈçÏÂ:
        NioSocketAcceptor acceptor = new NioSocketAcceptor(/*NioProcessorPool's size*/);
        DefaultIoFilterChainBuilder cha ......

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