Java

 DefaultTableModel model = new DefaultTableModel()  {
        @Override
            public boolean isCellEditable(int row, int col) {
                if(col>2)
                    return false;
                return true;
            };
        };


TableColumn col;
int vColIndex,width;
JComboBox comboBox;
TableColumn colcombo;


colcombo = jTable1.getColumnModel().getColumn(2);
comboBox = new JComboBox();
comboBox.addItem("Iniciado");
comboBox.addItem("En proceso");
comboBox.addItem("Consolidado");
colcombo.setCellEditor(new DefaultCellEditor(comboBox));

<br />
import java.io.*;<br />
<br />
public class A<br />
{<br />
public static void main(String args[]) throws IOException<br />
{<br />
BufferedReader stdin=new BufferedReader (new InputStreamReader(System.in));<br />
//char n,p;<br />
String name,pwd;<br />
int n1;<br />
int p2;<br />
<br />
System.out.println("\tWelcome to  ");<br />
System.out.println("*******SHINE IT Training Centre*******");<br />
System.out.println("**Please login before u calculate**");<br />
<br />
do<br />
{<br />
System.out.println("Enter user name: ");<br />
name=stdin.readLine();<br />
n1=Integer.parseInt(name);<br />
System.out.println("Enter password: ");<br />
pwd=stdin.readLine();<br />
p2=Integer.parseInt(pwd);<br />
<br />
//System.out.println("Incorrect input!!");<br />
} while ((name!="2208")&&(pwd!="1234"));<br />
<br />
<br />
System.out.println("Successful Login!!");<br />
<br />
}<br />
}<br />