I am working on developing a PV schedule in Java. The below else statement is fo

Question

I am working on developing a PV schedule in Java. The below else statement is for an annuity/loan. Can you help me fix my f instanceof Pv?

if (f instanceof Pv) {
            //set up virtual table to display Pv full schedule
            String[] cols={"Month","Discount","Present Value"};
            String [] []t=new String[f.getTerm()][3];
            mod=new DefaultTableModel(t, cols);
            sched=new JTable(mod);
            for (int i=0;i<f.getTerm();i++) {
                sched.setValueAt(i+1, i, 0);
                //sched.setValueAt(c.format(f.getBegBal(i+1)), i, 1);
                sched.setValueAt(c.format(f.getPrinFactor(i+1)), i, 1);
                //sched.setValueAt(c.format(f.getRate()), i, 3);
                //sched.setValueAt(c.format(f.getRateFactor(i+1)), i, 4);
                sched.setValueAt(c.format(f.getEndBal(i+1)), i, 2);
        }
        }
        else //set up virtual table to display Annuity and Loan
        {
            //set up the colum heading
            String[] cols={"Month",f.getBegBalDesc(),f.getPrinFactorDesc(),Financials.RATE_DESC,
                        f.getRateFactorDesc(),f.getResultDesc()};
            String [] []t=new String[f.getTerm()][6];
            mod=new DefaultTableModel(t, cols);
            sched=new JTable(mod);
            for (int i=0;i<f.getTerm();i++) {
                sched.setValueAt(i+1, i, 0);
                sched.setValueAt(c.format(f.getBegBal(i+1)), i, 1);
                sched.setValueAt(c.format(f.getPrinFactor(i+1)), i, 2);
                sched.setValueAt(c.format(f.getRate()), i, 3);
                sched.setValueAt(c.format(f.getRateFactor(i+1)), i, 4);
                sched.setValueAt(c.format(f.getEndBal(i+1)), i, 5);
               
            }

Explanation / Answer

if (f instanceof Pv) {
            //set up virtual table to display Pv full schedule
            String[] cols={"Month","Discount","Present Value"};
            String [] []t=new String[f.getTerm()][3];
            mod=new DefaultTableModel(t, cols);
            sched=new JTable(mod);
            for (int i=0;i<f.getTerm();i++) {
                sched.setValueAt(i+1, i, 0);
                //sched.setValueAt(c.format(f.getBegBal(i+1)), i, 1);
                sched.setValueAt(c.format(f.getPrinFactor(i+1)), i, 1);
                //sched.setValueAt(c.format(f.getRate()), i, 3);
                //sched.setValueAt(c.format(f.getRateFactor(i+1)), i, 4);
                sched.setValueAt(c.format(f.getEndBal(i+1)), i, 2);
        }
        }
        else //set up virtual table to display Annuity and Loan
        {
            //set up the colum heading
            String[] cols={"Month",f.getBegBalDesc(),f.getPrinFactorDesc(),Financials.RATE_DESC,
                        f.getRateFactorDesc(),f.getResultDesc()};
            String [] []t=new String[f.getTerm()][6];
            mod=new DefaultTableModel(t, cols);
            sched=new JTable(mod);
            for (int i=0;i<f.getTerm();i++) {
                sched.setValueAt(i+1, i, 0);
                sched.setValueAt(c.format(f.getBegBal(i+1)), i, 1);
                sched.setValueAt(c.format(f.getPrinFactor(i+1)), i, 2);
                sched.setValueAt(c.format(f.getRate()), i, 3);
                sched.setValueAt(c.format(f.getRateFactor(i+1)), i, 4);
                sched.setValueAt(c.format(f.getEndBal(i+1)), i, 5);
               
            }

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