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public boolean connectDb() {
try {
Class.forName("oracle.jdbc.driver.OracleDriver");
return true;
} catch (ClassNotFoundException e) {
System.out.println(e);
return false;
}
}
//»ñÈ¡Á¬½Ó
private Connection getConn(){
try{
connection=DriverManager.getConnection(url,user,password);
}catch(Exception e){
System.out.println(e);
}
return connection;
}

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  url,user,passwordÊÓ¿ª·¢»·¾³¶ø¶¨
¶þ¡¢ÀûÓÃDriverManager.registerDriverº¯Êý£¨¿ª·¢C/SģʽµÄ³ÌÐòʱ£©
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public Connection connectDatabase(){
try{
DriverManager.registerDriver(new oracle.jdbc.OracleDriver());
conn=DriverManager.getConnection("jdbc:oracle:thin:@172.16.1.52:1521:orcl","scott","test");
}catch (SQLException e){
System.out.println("caught:\n"+e);
System.exit(1);
}
return conn;
}

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import.java.sql.*;
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b. cp jdk-6u17-linux-i586-rpm.bin /usr/local/
c. chmod a+x jdk-6u17-linux-i586-rpm.bin
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#set java environment
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/*
 
* @(#)Object.java    
1.61 03/01/23
 
*
 
* Copyright 2003 Sun Microsystems, Inc. All rights reserved.
 
* SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 
*/
 
package java.lang;
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