java格式化日期时间的函数

Date date = new Date();
SimpleDateFormat sdf = new SimpleDateFormat("yyyy年MM月dd日 HH:mm:ss");
System.out.println(sdf.format(date));
SimpleDateFormat sdf2 = new SimpleDateFormat("MM");
System.out.println(sdf2.format(date));
Calendar c = Calendar.getInstance();
System.out.println(c.get(Calendar.MONTH)+1);
Date d=new Date(2010,5,12,13,24,30);
c.setTime(d);
System.out.println(c.get(Calendar.MONTH)+1);
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test=new JdbcTest();
  String sql="{call proc_select3(?)};"; //调用语句
  try {
   CallableStatement proc=test.getConnection().prepareCall(sql);
   proc.setString(1, "男");
   //proc.execute();
      ResultSet rs= proc.executeQuery();
      while(rs.next())
      {
       System.out.print("id: "+rs.getInt("id"));
    System.out.print(" userName :"+rs.getString("username"));
    System.out.print(" age :"+rs.getInt("age"));
    System.out.println(" sex :"+rs.getString("sex"));
    Timestamp time=rs.getTimestamp("birthday");
    SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    System.out.println(">>>>>>>>>>>>>>>>>>"+sdf.format(time));
    System.out.println(" birthday :"+rs.getDate("birthday"));
      }
   
   
  } catch (SQLException e) {
   // TODO 自动生成 catch 块
   e.printStackTrace();
  }