Calculating manpower project using java

This tutorial will teach you how to alculating manpower project using java.

Paste the code inside the Cal Button

       double projectdays,projecthours,works,tot;
           
        projectdays = Double.parseDouble(txtdays.getText());
        projecthours = Double.parseDouble(txthours.getText());
        projectdays = Double.parseDouble(txtemp.getText());
                
        tot = projectdays * projecthours * projectdays; 
        txttot.setText(String.valueOf(tot));

Paste the code inside the Exit Button

  System.exit(0);