public static void main(String[] args)  {
		Connection conn = null;
		Statement stmt = null;
		try {
			Class.forName("oracle.jdbc.driver.OracleDriver");
			conn = DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:orcl", "scott", "tiger");
		
			conn.setAutoCommit(false);
			stmt = conn.createStatement();
			stmt.addBatch("insert into dept values (51, '500', 'haha')");
			stmt.addBatch("insert into dept values (52, '600', 'hoho')");
			stmt.addBatch("insert into dept values (53, '700', 'hehe')");
		
			stmt.executeBatch();
			conn.commit();
			conn.setAutoCommit(true);
		} catch (ClassNotFoundException e) {
			e.printStackTrace();
		} catch (SQLException e) {
			e.printStackTrace();
			
			try {
				if(conn != null) {
					conn.rollback();
					conn.setAutoCommit(true);
				}
			} catch (SQLException e1) {
				e1.printStackTrace();
			}
		}finally {
			try {
				if(stmt != null) {
					stmt.close();
				}
				if(conn != null) {
					conn.close();
				}
			} catch(SQLException e) {
				e.printStackTrace();
			}
		}
		
	}