Java²Ù×÷OracleÊý¾Ý¿â£¨½¨±í£¬²åÊý¾Ý£¬É¾³ý£©
ÓÃjpa²»Äܽ¨±í£¬sqlÓï¾äÊǶԵ쬲»¹ý¾ÍÊDz»Äܽ¨£¬Í¬ÑùµÄsql£¬ÔÚÏÂÃæµÄjdbcÖоͿÉÒÔ£¬¿ÉÄÜÊÇ¿ò¼ÜµÄÏÞÖÆ£¬Ï£Íû¸ßÈËÖ¸µã
import java.net.URL;
import java.sql.*;
public class Create {
public Create() {
}
public static void main(String[] args){
String url = "jdbc:oracle:thin:@10.0.1.3:1521:SDCDB";
String query = "CREATE TABLE MYFIRST" + "(id INT,name CHAR(10))";
String sql="insert into MYFIRST values('1','liming')";
String sql1="insert into MYFIRST values('2','mm')";
String sql2="delete MYFIRST where id=2";
try
{
Class.forName("oracle.jdbc.driver.OracleDriver");
Connection conn = DriverManager.getConnection(url, "test", "test");
Statement stmt = conn.createStatement();
stmt.executeUpdate(query);
stmt.executeUpdate(sql);
stmt.executeUpdate(sql1);
stmt.executeUpdate(sql2);
System.out.println("Create Success!");
stmt.close();
conn.close();
}
catch(java.lang.ClassNotFoundException e){
System.err.print(e.getMessage());
}
catch(SQLException ex){
System.out.println("\n***SQLException caught ***\n");
}
}
Ïà¹ØÎĵµ£º
Oracle¹ØÓÚʱ¼ä/ÈÕÆÚµÄ²Ù×÷
¡¡¡¡1.ÈÕÆÚʱ¼ä¼ä¸ô²Ù×÷
¡¡¡¡µ±Ç°Ê±¼ä¼õÈ¥7·ÖÖÓµÄʱ¼ä
¡¡¡¡Java´úÂë
select sysdate,sysdate - interval '7' MINUTE from dual
select sysdate,sysdate - interval '7' MINUTE from dual
¡¡¡¡µ±Ç°Ê±¼ä¼õÈ¥7СʱµÄʱ¼ä
¡¡¡¡Java´úÂë
select sysdate - interval '7' hour fr ......
class Tank{
int level;
}
public class Assignment {
public static void main(String[] args) {
Tank t1 = new Tank();
Tank t2 = new Tank();
t1.level= 9;
t2.level= 47;
System.out.println("1:t1.l ......
Ò»¡¢IOÁ÷µÄÈýÖÖ·ÖÀ෽ʽ
1.°´Á÷µÄ·½Ïò·ÖΪ£ºÊäÈëÁ÷ºÍÊä³öÁ÷
2.°´Á÷µÄÊý¾Ýµ¥Î»²»Í¬·ÖΪ£º×Ö½ÚÁ÷ºÍ×Ö·ûÁ÷
3.°´Á÷µÄ¹¦Äܲ»Í¬·ÖΪ£º½ÚµãÁ÷ºÍ´¦ÀíÁ÷
¶þ¡¢IOÁ÷µÄËÄ´ó³éÏóÀࣺ
×Ö·ûÁ÷£ºReader Writer
× ......
´´½¨Ò»¸öJFrame
ÏÂÃæÓüòµ¥µÄʵÀýÑÝʾÁËJava Swing´´½¨Ò»¸öÄÜÊäÈëÄÚÈݵĴ°¿Ú
public class frameTest(){
public static void Main(String args[]){
//´´½¨JFrame¶ÔÏó£¬JFrameÓÃÀ´ÔÚÆÁÄ»ÉÏÏÔʾһ¸öWindows´°¿Ú¡£
JFrame frame = new JFrame("µÚÒ»¸öJFrame"); &nbs ......
ÇáÁ¿¼¶×é¼þÊÇÓÃJAVA´úÂ뻳öÀ´µÄ,ÕâÑù¾ßÓÐÆ½Ì¨ÒÆÖ²ÐÔ¡£
¡¡¡¡ ÖØÁ¿¼¶×é¼þÊǵ÷ÓòÙ×÷ϵͳµÄº¯Êý»³öÀ´µÄ×é¼þ,±ÈÈçÖ÷´°Ìå¡£
¡¡¡¡ Ò»°ãÀ´Ëµ¾¡Á¿ÓÃÇáÁ¿¼¶µÄ×é¼þ,ÕâÑù¶Ô³ÌÐòµÄÒÆÖ²ÐԺܺã¬Ò»°ãjavax.swing°üÀïµÄ×é¼þ´ó²¿·ÖÊÇÇáÁ¿¼¶µÄjava.awtÀïÃæµÄÊÇÖØÁ¿¼¶µÄ¡£
¡¡¡¡ SwingÊÇÓÉ100%´¿JavaʵÏֵģ¬Swing×é¼þÊÇÓÃJavaʵÏÖ ......