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lima-city → Forum → Programmiersprachen → Java
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import java.sql.*;
public class DataBaseManager {
Connection con;
ResultSet rs;
Statement stmt;
public DataBaseManager() {
try {
String url = "jdbc:odbc:books";
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
con = DriverManager.getConnection(url);
stmt = con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,
ResultSet.CONCUR_UPDATABLE);
}
catch (SQLException sqle) {
System.out.println(sqle.toString());
}
catch (ClassNotFoundException cnfex) {
cnfex.printStackTrace();
}
}
public ResultSet getResult(String strSQL) {
try {
rs = stmt.executeQuery(strSQL);
return rs;
}
catch (SQLException sqle) {
System.out.println(sqle.toString());
return null;
}
}
public int updateSql(String strSQL) {
try {
int i=stmt.executeUpdate(strSQL);
con.commit();
return i;
}
catch (SQLException sqle) {
System.out.println(sqle.toString());
return -1;
}
}
public void closeConnection() {
try {
con.close();
}
catch (SQLException sqle) {
System.out.println(sqle.toString());
}
}
}
Code operation the queen , why such a hint of
Exception in thread "main" java.lang.NoSuchMethodError:main
have appeared on meeting this paragraph , I have been that new hand does not know , asked everybody to give advices much , withered here first. -
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