preparedstatement executebatch sample

1. import java.sql.BatchUpdateException;   
2. import java.sql.Connection;   
3. import java.sql.DriverManager;   
4. import java.sql.PreparedStatement;   
5. import java.sql.Statement;   
6.   
7. public class DemoPreparedStatementAddBatchMySQL {   
8.   
9.   public static Connection getConnection() throws Exception {   
10.     String driver = "org.gjt.mm.mysql.Driver";   
11.     String url = "jdbc:mysql://localhost/databaseName";   
12.     String username = "root";   
13.     String password = "root";   
14.     Class.forName(driver);   
15.     Connection conn = DriverManager.getConnection(url, username, password);   
16.     return conn;   
17.   }   
18.   
19.   public static void checkUpdateCounts(int[] updateCounts) {   
20.     for (int i = 0; i < updateCounts.length; i++) {   
21.       if (updateCounts[i] >= 0) {   
22.         System.out.println("Successfully executed; updateCount=" + updateCounts[i]);   
23.       } else if (updateCounts[i] == Statement.SUCCESS_NO_INFO) {   
24.         System.out.println("Successfully executed; updateCount=Statement.SUCCESS_NO_INFO");   
25.       } else if (updateCounts[i] == Statement.EXECUTE_FAILED) {   
26.         System.out.println("Failed to execute; updateCount=Statement.EXECUTE_FAILED");   
27.       }   
28.     }   
29.   }   
30.   
31.   public static void main(String[] args)throws Exception {   
32.     Connection conn = null;   
33.     PreparedStatement pstmt = null;   
34.     try {   
35.       conn = getConnection();   
36.       conn.setAutoCommit(false);   
37.       String query = "insert into add_batch_table(stringCol, intCol) values(?, ?)";   
38.       pstmt = conn.prepareStatement(query);   
39.       pstmt.setString(1, "1");   
40.       pstmt.setInt(2, 100);   
41.       pstmt.addBatch();   
42.   
43.       pstmt.setString(1, "2");   
44.       pstmt.setInt(2, 200);   
45.       pstmt.addBatch();   
46.   
47.       pstmt.setString(1, "3");   
48.       pstmt.setInt(2, 300);   
49.       pstmt.addBatch();   
50.   
51.       int[] updateCounts = pstmt.executeBatch();   
52.       checkUpdateCounts(updateCounts);   
53.       conn.commit();   
54.     } catch (BatchUpdateException e) {   
55.       int[] updateCounts = e.getUpdateCounts();   
56.       checkUpdateCounts(updateCounts);   
57.       try {   
58.         conn.rollback();   
59.       } catch (Exception e2) {   
60.         e.printStackTrace();   
61.       }   
62.     } catch (Exception e) {   
63.       e.printStackTrace();   
64.     } finally {   
65.       pstmt.close();   
66.       conn.close();   
67.     }   
68.   }   
69. }