Question

design of form which could take principal ,rate of interest and time as input and on click simple interest button should give the answer and also must have exit button to quit application.
please answer fast... it's urgent

Answer 1

Frst declare 4 variable for principal,rate of interest, and time. and simple interest
then convert to integer by
p=Integer.parseInt(jTextField1.getText());
and do the same for the rest 2
si=p*r*t/100;
jTextField4.setText(""+si);