This tutorial will teach you how to make make a Currency Converter Using Java step by step.
Paste the below the code inside the convert button.
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) { Double tot; Double amount = Double.parseDouble(txtamount.getText()); if(txtfrom.getSelectedItem().toString() == "USD" && txtto.getSelectedItem().toString() == "Srilankan Rupees") { tot = amount * 179.50; JOptionPane.showMessageDialog(this, "Your Amount will be " + tot.toString()); } else if(txtfrom.getSelectedItem().toString() == "USD" && txtto.getSelectedItem().toString() == "Indian Rupees") { tot = amount * 70.50; JOptionPane.showMessageDialog(this, "Your Amount will be " + tot.toString()); } }
i have attached the video link below. which will do this tutorials step by step.