Question

i have try to develop one java app.here am getting information from mysql database.
my code is:

public class RetailerWs {
  public int data(){
    int count=0;
    try {
      Class.forName("com.mysql.jdbc.Driver");
      Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/pro","root","");
      PreparedStatement statement =  con.prepareStatement("select * from orders where status='Q' AND MONTH(date) = MONTH(CURDATE()) AND YEAR(date) = YEAR(CURDATE())");
      ResultSet result = statement.executeQuery();
      while(result.next()) {
        // Do something with the row returned.
        count++; //if the first col is a count.
      }
    }
    catch(Exception exc){
      System.out.println(exc.getMessage());
    }
    return count;
  }
}

the other class is :

 public class Demo {
 public static void main(String[] args){
    RetailerWs obj = new RetailerWs();
    System.out.println(obj.data());
 }

}

Here i have to check the query and display count value is successfully.but my doubt is the query matched item is zero means the output is displayed blankly.but i wish to need it is display 0.not display blank screen..so please help me how is to do.

Answer 1

Create the object of class RetailerWs.

RetailerWs  obj =new RetailerWs ();
System.out.println(obj.data());