Difference between revisions of "Sql java file"
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(Created page with "<source lang="java"? import java.sql.*; class Sql{ Connection conn = null; Statement stmt = null; ResultSet rs = null; void runIt() { try {...") |
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(One intermediate revision by the same user not shown) | |||
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− | <source lang="java" | + | <source lang="java"> |
import java.sql.*; | import java.sql.*; | ||
class Sql{ | class Sql{ | ||
Line 8: | Line 8: | ||
{ | { | ||
try { | try { | ||
− | String userName = " | + | String userName = "xxxxx"; |
− | String passWord = " | + | String passWord = "xxxxx"; |
− | String url = "jdbc:mysql://localhost/ | + | String url = "jdbc:mysql://localhost/xxxxx"; |
//Class.forName ("com.mysql.jdbc.Driver").newInstance (); | //Class.forName ("com.mysql.jdbc.Driver").newInstance (); | ||
conn = DriverManager.getConnection (url, userName, passWord); | conn = DriverManager.getConnection (url, userName, passWord); | ||
Line 25: | Line 25: | ||
System.out.println("The voltge in the Sql class is "+ voltage); | System.out.println("The voltge in the Sql class is "+ voltage); | ||
try { | try { | ||
− | String userName = " | + | String userName = "xxxxx"; |
− | String passWord = " | + | String passWord = "xxxxx"; |
− | String url = "jdbc:mysql://localhost/ | + | String url = "jdbc:mysql://localhost/xxxxx"; |
//Class.forName ("com.mysql.jdbc.Driver").newInstance (); | //Class.forName ("com.mysql.jdbc.Driver").newInstance (); | ||
conn = DriverManager.getConnection (url, userName, passWord); | conn = DriverManager.getConnection (url, userName, passWord); |
Latest revision as of 17:14, 25 April 2025
import java.sql.*; class Sql{ Connection conn = null; Statement stmt = null; ResultSet rs = null; void runIt() { try { String userName = "xxxxx"; String passWord = "xxxxx"; String url = "jdbc:mysql://localhost/xxxxx"; //Class.forName ("com.mysql.jdbc.Driver").newInstance (); conn = DriverManager.getConnection (url, userName, passWord); System.out.println("connection esstablsihed in Sql"); conn.close(); } catch (SQLException e){ String errorCode = e.toString(); System.out.println(errorCode); } } void runIt(String voltage) { System.out.println("The voltge in the Sql class is "+ voltage); try { String userName = "xxxxx"; String passWord = "xxxxx"; String url = "jdbc:mysql://localhost/xxxxx"; //Class.forName ("com.mysql.jdbc.Driver").newInstance (); conn = DriverManager.getConnection (url, userName, passWord); System.out.println("connection esstablsihed in Sql"); Float the_volt = Float.parseFloat(voltage); String SQL="insert into solar VALUES("+the_volt+", now())"; Statement statement = conn.createStatement(); statement.executeUpdate(SQL); conn.close(); } catch (SQLException e){ String errorCode = e.toString(); System.out.println(errorCode); } } }