if else

public void actionPerformed(ActionEvent event)
    {
        String eventName = event.getActionCommand();
        String an1 = answer1.getText();
        String an2 = answer2.getText();
        String an3 = answer3.getText();
        double result=100;
        int counter=0;
        boolean div=false;

        if(an1.equalsIgnoreCase("c"))
        {
            result1.setText("Correct");
            div=true;
            counter++;

        }
        else if(an1.equalsIgnoreCase("a"))
        {
            result1.setText("incorrect");
            counter++;
            counter++;
            counter++;
        }
        else if(an1.equalsIgnoreCase("b"))
        {
            result1.setText("incorrect");
            counter++;
            counter++;
            counter++;
        }
        else if(an1.equalsIgnoreCase("d"))
        {
            result1.setText("incorrect");
            counter++;
            counter++;
            counter++;
        }


        if(an2.equalsIgnoreCase("d"))
        {
            result2.setText("Correct");

            div=true;
        }
        else if(an2.equalsIgnoreCase("a"))
        {
            result2.setText("incorrect");
            counter++;
            counter++;
            counter++;
        }
        else if(an2.equalsIgnoreCase("b"))
        {
            result2.setText("incorrect");
            counter++;
            counter++;
            counter++;
        }
        else if(an2.equalsIgnoreCase("c"))
        {
            result2.setText("incorrect");
            counter++;
            counter++;
            counter++;
        }
        if(an3.equalsIgnoreCase("c"))
        {
            result3.setText("Correct");

            div=true;
        }
        else if(an3.equalsIgnoreCase("a"))
        {
            result3.setText("incorrect");
            counter++;
            counter++;
            counter++;
        }
        else if(an3.equalsIgnoreCase("b"))
        {
            result3.setText("incorrect");
            counter++;
            counter++;
            counter++;
        }
        else if(an3.equalsIgnoreCase("d"))
        {
            result3.setText("incorrect");
            counter++;
            counter++;
            counter++;
        }

        if(div==true)
        {
            total.setText("You answered "+result/counter+"% correct");
        }
        else
        {
            total.setText("You answered 0% correct.");
        }
    }