JavaѧϰԴ´úÂë
package com.huawei.globe;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
public class CrossConectionContextSheet
{
CrossCalition cc = new CrossCalition();
private final static String driver = "com.mysql.jdbc.Driver";
private final static String url = "jdbc:mysql://localhost:3306/test";
private final static String name = "root";
private final static String password = "123456";
static Connection conn = null;
Statement st = null;
ResultSet rs = null;
private void pack() throws Exception
{
String sql = "select * from globe_sdh_snc_tmp where cName=" + "'TAS'";
Class.forName(driver);
conn = DriverManager.getConnection(url, name, password);
st = conn.createStatement();
rs = st.executeQuery(sql);
ArrayList<CrossCalition> list = new ArrayList<CrossCalition>();
CrossCalition cross = null;
while (rs.next())
{
cross = new CrossCalition();
cross.setId(rs.getInt("id"));
cross.setCname(rs.getString("cName"));
cross.setCsquence(rs.getString("cSquence"));
cross.setCrossType(rs.getString("cross_type"));
cross.setSrcNe(rs.getString("src_ne"));
cross.setSrcSlot(rs.getString("src_slot"));
cross.setSrcPort(rs.getString("src_port"));
cross.setSnkNe(rs.getString("snk_ne"));
cross.setSnkSlot(rs.getString("snk_slot"));
cross.setSnkPort(rs.getString("snk_port"));
System.out.println(rs.getInt(1) + "\t" + rs.getString(2) + "\t"
+ rs.getString(3) + "\t" + rs.getString(4) + "\t"
+ rs.g
Ïà¹ØÎĵµ£º
ÀàµÄ³õʼ»¯ºÍ¶ÔÏó³õʼ»¯ÊÇ JVM ¹ÜÀíµÄÀàÐÍÉúÃüÖÜÆÚÖзdz£ÖØÒªµÄÁ½¸ö»·½Ú£¬Google ÁËÒ»±éÍøÂ磬ÓйØÀà×°ÔØ»úÖÆµÄÎÄÕµ¹ÊDz»ÉÙ£¬È»¶øÀà³õʼ»¯ºÍ¶ÔÏó³õʼ»¯µÄÎÄÕ²¢²»¶à£¬ÌرðÊÇ´Ó×Ö½ÚÂëºÍ JVM ²ã´ÎÀ´·ÖÎöµÄÎÄÕ¸üÊÇÏÊÓÐËù¼û¡£
±¾ÎÄÖ÷Òª¶ÔÀàºÍ¶ÔÏó³õʼ»¯È«¹ý³Ì½øÐзÖÎö£¬Í¨¹ýÒ»¸öʵ¼ÊÎÊÌâÒýÈ룬½«Ô´´úÂëת»»³É JVM ×Ö½ÚÂëºó£¬ ......
public class DealLockTest implements Runnable {
static String i = new String();
static String j = new String();
private String str = null;
public DealLockTest(String str) {
this.str = str;
}
public static void main(String[] args) {
new Thread(new DealLockTest("i")).start( ......
ʹÓà java ½øÐÐÎļþ¿½±´ ÏàÐźܶàÈ˶¼»áÓÃ,,²»¹ýЧÂÊÉÏÊÇ·ñ×îºÃÄØ?
×î½ü¿´ÁË¿´NIO¾ö¶¨ÊÔÒ»ÊÔ java NIO µ½µ×ÓÐʲôÐÔÄܵÄÌáÉý.
µÚÒ»ÖÖ·½·¨:¹ÅÀϵķ½Ê½
public static long forJava(File f1,File f2) throws Exception{
long time=new Date().getTime();
int length=2097152;
FileInp ......
ÎÄÕÂÀ´Ô´£ºhttp://www.blogjava.net/midea0978/archive/2008/01/17/175953.html
1¡¢Ê×Ïȵ½ÇëÏÂÔØ×îа汾µÄJava Service Wrapper£¬µãÎÒÏÂÔØ¡£
2¡¢×¼±¸ÈçÏÂÎļþ£¬¸´ÖƵ½testĿ¼£¬ÕâЩÎļþ¿ÉÒÔ´ÓÏÂÔØ°üÖÐÕÒµ½£º
wrapper.dll
wrapper.exe
wrapper.jar
3¡¢±àдwrapper.conf£¬Ò²·ÅÔÚͬһ¼¶Ä¿Â¼ÏÂÃæ£¬ÄÚÈÝÈçÏÂ
# Jav ......
ÏÈÉùÃ÷һϣ¬ÌâĿԳöÓÚ£ºhttp://gocom.primeton.com/modules/newbb/item60284_60284.htm
JVMÊÇJava³ÌÐòµÄÔËÐл·¾³£¬Òò´Ë¶ÔÓÚJVMµÄÕÆÎÕÓÐÖúÓÚÀí½âJava³ÌÐòµÄÖ´ÐÐÒÔ¼°±àд£¬ÓÈÆäÊÇÔËÐÐʱÅöµ½µÄһЩ¹îÒìÎÊÌ⣬ÄÇôÔõôÑùÄÜ¿¼²ì×Ô¼º¶ÔÓÚJVM¹Ø¼ü֪ʶµãµÄÕÆÎÕÇé¿ö£¬°ïÖúѧϰJVM»úÖÆÄØ£¬ÔÚÕâÆªblogÖÐÀ´Ì½ÌÖÏ¡£
¶ÔÓÚJava³ÌÐò¶øÑ ......