Rollback a transaction : Oracle « Database « Java Tutorial

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;

public class Rollback {

  public static void main(String[] args) {
    Connection conn = null;
    Statement stmt = null;
    boolean executeResult;
    try {
      String driver = "oracle.jdbc.driver.OracleDriver";
      System.out.println("Connecting to database...");
      String jdbcUrl = "jdbc:oracle:thin:@localhost:1521:ORCL";
      conn = DriverManager.getConnection(jdbcUrl, "yourName", "mypwd");
      stmt = conn.createStatement();
      if (!conn.getAutoCommit())
        System.out.println("Auto-commit is set to false");
      String sql = "INSERT INTO Location VALUES(715,'Houston')";
      sql = "INSERT INTO Employees VALUES" + "(8,'K','4351',{d '2000-02-00'},715)";
    } catch (SQLException se) {
      String msg = se.getMessage();
      msg = "SQLException occured with message: " + msg;
      System.out.println("Starting rollback operations...");
      try {
      } catch (SQLException se2) {
    } catch (Exception e) {

20.35.1.Connect with Oracle's JDBC Thin Driver
20.35.2.Create an Oracle Table to Store Java Types (Using Statement Objects)
20.35.3.Execute Method
20.35.4.Rollback a transaction
20.35.5.Creating an Oracle Table to Store Java Types
20.35.6.Creating a Stored Procedure or Function in an Oracle Database
20.35.7.Create procedure myprocin with an IN parameter named x.
20.35.8.Create procedure myprocout with an OUT parameter named x
20.35.9.Create procedure myprocinout with an IN/OUT parameter named x; x is an IN parameter and an OUT parameter
20.35.10.Create a function named myfunc which returns a VARCHAR value; the function has no parameter
20.35.11.Create a function named myfuncin which returns a VARCHAR value; the function has an IN parameter named x
20.35.12.Create a function named myfuncout which returns a VARCHAR value;
20.35.13.Create a function named myfuncinout that returns a VARCHAR value
20.35.14.Creating an OBJECT Type in an Oracle Database
20.35.15.Inserting an OBJECT Value into an Oracle Table
20.35.16.Get list of stored procedure names
20.35.17.Store and retrieve an object from a table