Java program to find compound interest compunded annully

Follow the steps to create GUI:

Step-1: Drag and drop the label from the Palette window and rename it as "Enter Principal".

Step-2: Drag and drop the TextField from the Palette window and give the variable name to   "txtPrincipal" by right-clicking on text field object.

Step-3: Drag and drop the label from the Palette window and rename it as "Enter Rate".

Step-4: Drag and drop the TextField from the Palette window and give the variable name to "txtRate".

Step-5: Drag and drop the label from the Palette window and rename it as "Enter Time".

Step-6: Drag and drop the TextField from the Palette window and give the variable name to "txtTime".

Step-7: Drag and drop the Button object from the Palette window and give the variable name to "btnCalculate" and change the text to "Calculate".

Step-8: Drag and drop the label from the Palette window and rename it as "Total Amount".

Step-9: Drag and drop the TextField from the Palette window and give the variable name to   "txtAmount" by right-clicking on text field object and make editable to false.

Step-10: Drag and drop the TextField from the Palette window and give the variable name to   "txtCI" by right-clicking on text field object and make editable to false.

Finally, double-click on the button and follow the codes given below:

 private void btnCalculateActionPerformed(java.awt.event.ActionEvent evt) {                                             

       double principal,rate;

       int time;

       principal=Double.parseDouble(txtPrincipalAmount.getText());

       rate=Double.parseDouble(txtRate.getText());

       time=Integer.parseInt(txtTime.getText());

       

       double amount=principal*Math.pow(1+rate/100,time);

       double ci=amount-principal;

       

       txtAmount.setText(Double.toString(amount));

       txtCI.setText(Double.toString(ci));

    }