JDBC批处理

JDBC2.0如何写批处理更新
代码示例
    Connection con = db.getConn();
    con.setAutoCommit(false);
    Statement stmt = con.createStatement();
    stmt.addBatch("INSERT INTO test VALUES('1','1')");
    stmt.addBatch("INSERT INTO test VALUES('2','2')");
    stmt.addBatch("INSERT INTO test VALUES('3','3')");
    stmt.addBatch("INSERT INTO test VALUES('4','4')");
    int[] updateCounts = stmt.executeBatch();
    con.commit();