java»ñÈ¡µ±Ç°Ê±¼ä£¨×ªÔØ£©
ÓÐÁ½ÖÖ·½·¨£º
·½·¨Ò»£ºÓÃjava.util.DateÀàÀ´ÊµÏÖ£¬²¢½áºÏjava.text.DateFormatÀàÀ´ÊµÏÖʱ¼äµÄ¸ñʽ»¯£¬¿´ÏÂÃæ´úÂ룺
import java.util.*;
import java.text.*;
//ÒÔÏÂĬÈÏʱ¼äÈÕÆÚÏÔʾ·½Ê½¶¼ÊǺºÓïÓïÑÔ·½Ê½
//Ò»°ãÓïÑÔ¾ÍĬÈϺºÓï¾Í¿ÉÒÔÁË£¬Ê±¼äÈÕÆڵĸñʽĬÈÏΪMEDIUM·ç¸ñ£¬±ÈÈ磺2008-6-16 20:54:53
//ÒÔÏÂÏÔʾµÄÈÕÆÚʱ¼ä¶¼ÊÇÔÙDateÀàµÄ»ù´¡ÉϵÄÀ´µÄ£¬»¹¿ÉÒÔÀûÓÃCalendarÀàÀ´ÊµÏÖ¼ûÀàTestDate2.java
public class TestDate {
public static void main(String[] args) {
Date now = new Date(System.currentTimeMillis());
Calendar cal = Calendar.getInstance();
DateFormat d1 = DateFormat.getDateInstance(); //ĬÈÏÓïÑÔ£¨ººÓϵÄĬÈÏ·ç¸ñ£¨MEDIUM·ç¸ñ£¬±ÈÈ磺2008-6-16 20:54:53£©
String str1 = d1.format(now);
DateFormat d2 = DateFormat.getDateTimeInstance();
String str2 = d2.format(now);
DateFormat d3 = DateFormat.getTimeInstance();
String str3 = d3.format(now);
DateFormat d4 = DateFormat.getInstance(); //ʹÓÃSHORT·ç¸ñÏÔʾÈÕÆÚºÍʱ¼ä
String str4 = d4.format(now);
DateFormat d5 = DateFormat.getDateTimeInstance(DateFormat.FULL,DateFormat.FULL); //ÏÔʾÈÕÆÚ£¬ÖÜ£¬Ê±¼ä£¨¾«È·µ½Ã룩
String str5 = d5.format(now);
DateFormat d6 = DateFormat.getDateTimeInstance(DateFormat.LONG,DateFormat.LONG); //ÏÔʾÈÕÆÚ¡£Ê±¼ä£¨¾«È·µ½Ã룩
String str6 = d6.format(now);
DateFormat d7 = DateFormat.getDateTimeInstance(DateFormat.SHORT,DateFormat.SHORT); //ÏÔʾÈÕÆÚ£¬Ê±¼ä£¨¾«È·µ½·Ö£©
String str7 = d7.format(now);
DateFormat d8 = D
Ïà¹ØÎĵµ£º
java»·¾³±äÁ¿ÅäÖÃ
windows xpÏÂÅäÖÃJDK»·¾³±äÁ¿£º
1.°²×°JDK£¬°²×°¹ý³ÌÖпÉÒÔ×Ô¶¨Ò尲װĿ¼µÈÐÅÏ¢£¬ÀýÈçÎÒÃÇÑ¡Ôñ°²×°Ä¿Â¼ÎªD:\java\jdk1.5.0_08£»
¡¡ 2.°²×°Íê³Éºó£¬ÓÒ»÷“ÎҵĵçÄÔ”£¬µã»÷“ÊôÐÔ”£»
3.Ñ¡Ôñ“¸ß¼¶”Ñ ......
Ò».Á½¸ö¸ÅÄî
ʵ¼Ê²ÎÊý(ʵ²Î):·½·¨µ÷ÓÃʱ±»´«ÈëµÄ²ÎÊý
ÐβÎ:·½·¨¶¨ÒåʱÉùÃ÷µÄ²ÎÊý
¶þ.ÈýÖÖ´«µÝ·½Ê½
1.»ù±¾Êý¾ÝÀàÐ͵ÄÖµ´«µÝ:
public static void main(String []args)
{
int i=10,j=5;
tValue(i,j);
System.out.println("i:"+i+"j:"+j);//´òÓ¡½á¹û:i=10,j=5
}
......
ΪÁËʵÏÖÁ½¸öÊý×Ö½øÐн»»»£¬ÎÒÃÇͨ³£¿ÉÒÔÀûÓÃλÔËËãÀ´ÊµÏÖ
C++³ÌÐò swap(int a ,int b){a^=b^=a^=b;}
JAVA³ÌÐò swap(int a, int b){ a^=b;b^=a;a^=b; }»òÕß{ b^=(a^=b) ; a^=b;}
Èç¹ûJAVAÓÃC++µÄʵÏÖ·½Ê½Ôò»áµÃµ½ bµÃµ½ÁËaµÄÖµ£¬µ«ÊÇaÏÖÔÚµÄֵȴ² ......
Java¿ª·¢ÖУ¬×îÖյijÌÐò·¢²¼Ò»°ãÊÇÒª´ò³Éjar°üÐÎʽµÄ£¬¶øÓÐһЩÅäÖÃÎļþÊÇ·ÅÔÚjarÀïÃæµÄ£¬ÕâÑùÔÚ×öFileÐÎʽµÄ¶Áȡʱ£¬¾Í»á·¢ÏÖ¶Á²»µ½ÏàÓ¦µÄÎļþ¡£ÏÂÃæÌṩһÖÖ½â¾ö·½Ê½£ºString fileName = "/config/abcd.config";
InputStream in = getClass().getResourceAsStream(fileName);
BufferedReader br = null;
try{
br = n ......
ÉùÃ÷£º
ÒÔϵÄÀý×Ó²»Ò»¶¨ÕýÈ·£¬Ö»ÊÇΪÁËÑÝʾ´ó¸ÅµÄÁ÷³Ì¡£
Ò»£ºÎÞ·µ»ØÖµµÄ´æ´¢¹ý³Ì
´æ´¢¹ý³ÌΪ£º
CREATE OR REPLACE PROCEDURE TESTA(PARA1 IN VARCHAR2,PARA2 IN VARCHAR2) AS
BEGIN
INSERT INTO HYQ.B_ID (I_ID,I_NAME) VALUES (PARA1, PARA2);
END TESTA;
È»ºóÄØ£¬ÔÚjavaÀïµ÷ÓÃʱ¾ÍÓÃÏÂÃæµÄ´ ......