Exception in thread main

Question

Hi,
I have written a small program to retrieve info from a database, but continue to get an error when running the code.
Exception in thread "main" Java.Lang.NoClassDefFoundError: TPMCConnection/class.
Please assist.
import java.sql.*;
public class TPMCConnection {
  public static void main (String args []) {
    // declare Connection and Statement objects
    Connection myConnection = null;
    Statement myStatement = null;
    try {
      // register the Oracle JDBC drivers
      DriverManager.registerDriver(
        new oracle.jdbc.OracleDriver()
      // create a Connection object, and connect to the database
      // as scott using the Oracle JDBC Thin driver
      myConnection = DriverManager.getConnection(
        "jdbc:oracle:thin:@camdb1.crn.st.com:1521:camdb1",
        "TPMCenter",
        "TPMCenter"
      // create a Statement object
      myStatement = myConnection.createStatement();
      // create a ResultSet object, and populate it with the
      // result of a SELECT statement that retrieves the
      // user and sysdate variables from the database via
      // the dual table - the executeQuery() method of the
      // Statement object is used to perform the SELECT
      ResultSet myResultSet = myStatement.executeQuery(
        "SELECT user, sysdate " +
        "FROM dual"
      // retrieve the row from the ResultSet using the
      // next() method
      myResultSet.next();
      // retrieve the user from the row in the ResultSet using the
      // getString() method
      String user = myResultSet.getString("user");
      // retrieve the sysdate from the row in the ResultSet using
      // the getTimestamp() method
      Timestamp currentDateTime =
        myResultSet.getTimestamp("sysdate");
      System.out.println("Hello " + user +
        ", the current date and time is " + currentDateTime);
      // close this ResultSet object using the close() method
      myResultSet.close();
    } catch (SQLException e) {
      System.out.println("Error code = " + e.getErrorCode());
      System.out.println("Error message = " + e.getMessage());
    } finally {
      try {
        // close the Statement object using the close() method
        if (myStatement != null) {
          myStatement.close();
        // close the Connection object using the close() method
        if (myConnection != null) {
          myConnection.close();
      } catch (SQLException e) {
        System.out.println("Error code = " + e.getErrorCode());
        System.out.println("Error message = " + e.getMessage());
  } // end of main()
}

Answer 1

No, not in the environment variables. Use the -classpath option on java.exe.
You might want to rename that classes12.zip to classes12.jar.
Which JDK are you using? If you're using JDK 1.4, you can download the latest JDBC JAR from Oracle named ojdbc14.jar.