在第一行中设置默认值

Question

I have this code that add row depends on the user input, but now I want the first row of the second column to have a default value of 0 and the rest of it is null.

Code of the table

DefaultTableModel dm = new DefaultTableModel();

 table.setModel(dm);


            dm.addColumn("PROCESS");
            dm.addColumn("CPU Time");
            dm.addColumn("Arrival Time");


 try{
        int ps = Integer.parseInt(textField.getText());



        for(int x=0; x<ps; x++){
            dm.addRow(new Object[]{x});
        }
        }catch(Exception e){
            e.printStackTrace();
        }   
    }

Answer 1

You can call addRow twice with different arguments: first adding the row with 0 , and then (in a loop) adding the remaining rows:

dm.addRow(new Object[]{x, 0});
for (int x=1; x<ps; x++) {
    dm.addRow(new Object[]{x});
}

Notice that the loop is now one iteration shorter than in your code (because the first row gets added outside the loop).