Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

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

½âÎöJavaÀàºÍ¶ÔÏóµÄ³õʼ»¯¹ý³Ì

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£¬ ......

javaÏß³ÌËÀËøÀý×Ó

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( ......

JavaʵÏÖÎļþ¿½±´µÄ4ÖÖ·½·¨

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 ......

1·ÖÖÓJava³ÌÐò¿ìËÙת»»Îªwindows·þÎñÔËÐÐ

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 ......

java퉀
ÏÈÉùÃ÷һϣ¬ÌâĿԭ³öÓÚ£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 ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ