/* Som ework for you  ... use you formula to calulate..just used semo formula
    use do while loop to take to input for 4 times only
*/


import javax.swing.JOptionPane;

import java.text.DecimalFormat;
import javax.swing.JFrame;
import javax.swing.JTextArea;


public class Table extends JFrame{
 private static JTextArea output;
 public Table(){
 int lp, ap,mp;
   int count=0;
    String loanPrincipal = JOptionPane.showInputDialog(null, "Enter Initial Loan Princial", JOptionPane.QUESTION_MESSAGE);
    String annualPercentage = JOptionPane.showInputDialog(null, "Enter Annual Percentage", JOptionPane.QUESTION_MESSAGE);
    String monthlyPayment = JOptionPane.showInputDialog(null, "Enter MonthlyPayment", JOptionPane.QUESTION_MESSAGE);
    if(loanPrincipal!=null && annualPercentage!=null && monthlyPayment!=null){
     lp = Integer.parseInt(loanPrincipal);
     ap= Integer.parseInt(loanPrincipal);
     mp=Integer.parseInt(loanPrincipal);
     output = new JTextArea(10,15);
     int results = lp * ap; // use your own formula to calculate : this is just a demo
     output.append("Loan Principal"+" "+"Annual %"+" "+"Monthly Payment"+" "+"Results");
     output.append("\n");
     output.append(lp +"\t"+ ap +"\t"+mp+ "\t"+ results);
     this.getContentPane().add(output,"Center");
     this.setSize(400,600);
     this.setLocation(100,200);
     this.show();
     count++;
    }else{
     JOptionPane.showMessageDialog(null, "The number is invalid,please try again!", "Error",
     JOptionPane.INFORMATION_MESSAGE);
     count++;
   }
 
 }
 public static void main(String[]args){
  Table t = new Table();
 }
}