Using Timer to add data automatically to jtable

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Java

timer

I have the table like that,

Index | Time | Tem | Hum | Rain | Wind | Level

1

2

Here's the code:

public class MyTable1 extends JFrame {

    MyTable1 mytable;
    Object[][] data;
    JTable tb;
    JScrollPane scp;

    int MAXH=100,MAXC=100;
     public MyTable1() {

            // Header names
            String[] Colnames = {"Index", "Time","Tem","Hum","Rain","Wind","Level"};

          //Col index
            data = new Object[MAXH][MAXC];
            for(int j=0;j<=MAXH-1;j++){
                data[j][0]=j+1;
            }

           // Col Time
             Date tg = new Date();
             final SimpleDateFormat TimeFormat = new SimpleDateFormat(" dd/MM/yyyy HH:mm:ss");

              for(int j=0;j<=MAXH-1;j++){
             data[j][1]=TimeFormat.format(tg.getTime());
              }
           //Col Temperature
            Random rand = new Random(); 
             for(int j=0;j<=MAXH-1;j++){             
                int value = rand.nextInt(30)+10; 
                data[j][2]=value;
            }      
            //Col Humidity      
             for(int j=0;j<=MAXH-1;j++){             
                int value = rand.nextInt(80)+20; 
                data[j][3]=value;
            }   
            //Col Rain
              for(int j=0;j<=MAXH-1;j++){             
                int value = rand.nextInt(2); 
                if (value == 1){
                data[j][4]="Rain";}
                else  data[j][4] = "Not";
            }   

            //Col wind speed     
             for(int j=0;j<=MAXH-1;j++){             
                int value = rand.nextInt(9)+1; 
                data[j][5]=value;
            }    


            tb = new JTable(data, Colnames);

            tb.setFillsViewportHeight(true);
            scp = new JScrollPane(tb);
    ...

Now I want to add automatically every 5 seconds to the jtable the random values like in my code (of course the Index and Time column have to run in order) I know have to use Timer but I don't know how to add in the code. Could anybody show me how to do? Thanks so much!