user interface - not getting data from SQL to JTable in Java -

i'm trying data database. when program getting data resultset, doesn't seem getting , @ end data[][] null. when debugging, noticed result r currentrow -1 throughout while loop , isn't changing. don't know how fix this. appreciated!

the code :

//get information table public void view(string table, connection conn) {      try {          preparedstatement statement = conn.preparestatement("select * " + table + "  name  '%" + name + "%';");         resultset r = statement.executequery();          data = new string[rows][column];         int j = 0;         resultsetmetadata info = (resultsetmetadata)r.getmetadata();          x = new string[column];         for(int = 0; < column; i++)             x[i] = info.getcolumnname(i + 1);          r.beforefirst();         while(r.next()) {             for(int = 0; < column; i++)                 data[j][i] = r.getstring(x[i]);             j++;         }      }     catch(exception e) { system.out.println(e); }  }