CURRENCY CONVERTOR USING JAVA SWING GUI SOURCE CODE :

In this post, we shared the source code of CURRENCY CONVERTER IN JAVA Using swing GUI.

In this program, we'll learn how to make a currency converter using java Gui.

Firstly you look at the output screen then begin so that you will easily understand.

The output will look like this:

* Firstly we will get this Frame on Running this program.

* Now enter the amount and select the currency,

 

* Finally click on the convert button you will get the amount in USD dollars from your selected one. As bellow:

Note:

A downloadable java file link is also available below in this article make sure to access it if you want.||

Let's check the code:

//your pakage name here

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public class currencyconvertor {  //use your class name 
    public static void main(String[] args) {
        //calling class
        CC ComB=new CC();
    }
}
//class for JFrame
class CC extends JFrame{

    //initialization / Local varoiables
    JComboBox cb1,cb2;
    JLabel l,l1,l2,l3,l4;
    JTextField t1,t2;
    JButton b1;

    //container
    public CC(){
        //Declaration
        cb1=new JComboBox();
        cb2=new JComboBox();
        l1=new JLabel(" Enter amount:");
        l2=new JLabel("From");
        l3=new JLabel("To");
//        l=new JLabel(" ###  WELCOME TO CURRENCY CONVERTOR  ###");
        t1=new JTextField(35);
        t2=new JTextField(40);
        b1=new JButton("Convert");
        l4=new JLabel();

        setLayout(new BorderLayout());
        l=new JLabel("   ###  WELCOME TO CURRENCY CONVERTOR  ###   ",SwingConstants.CENTER);
        l.setHorizontalAlignment(SwingConstants.CENTER);
        l.setOpaque(true);
        l.setBackground(Color.cyan);
        l2.setHorizontalAlignment(SwingConstants.CENTER);
        JLabel status = new JLabel("status", SwingConstants.SOUTH_EAST);
        status.setVerticalAlignment(SwingConstants.CENTER);
        Font font = new Font("SansSerif", Font.BOLD, 30);
        l.setFont(font);
        l1.setFont(new Font("sansSerif",Font.BOLD,20));
        l2.setFont(new Font("sansSerif",Font.BOLD,20));
        l3.setFont(new Font("sansSerif",Font.BOLD,20));

        //Add elements to the frame

        add(l);
        add(l1);
        add(t1);
        add(l4);
        add(l2);
        add(cb1);
        add(l3);
        add(cb2);
        add(t2);
        add(b1);


        //COlor add to textfields
        t1.setBackground(Color.gray);
        t2.setBackground(Color.GRAY);


        //Textfield 2 in which result will show
        t2.setEditable(false);

        //Array contain the currencies name in combobox1
        String[] CFrom={"Select one","Canadian dollar","European Euro","Japanies yen","Australian Dollar","INR","Mexican peso"};
        String[] Units={ "Units","canadian dollar","European euro","Japanies yen","Australian Dollar","INR","Maxican peso"};


        //Add currency name s to combobox 1 (cb1)
        for (String item:CFrom){
            cb1.addItem(item);
        }
        //combobox2 which only contain USD
        cb2.addItem("USD");

        //index of title name of comboBox 1
        cb1.setSelectedIndex(0);



        //action performed when user click on button(Convert)
        b1.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {

                Double fd;
                Double tot=Double.parseDouble(t1.getText());

                if(cb1.getSelectedItem().toString()=="Canadian dollar" && cb2.getSelectedItem().toString()=="USD")
                {
                    fd = (double) (tot*0.82);
                    t2.setText(String.valueOf(fd+"USD"));

                }
                if(cb1.getSelectedItem().toString()=="European Euror" && cb2.getSelectedItem().toString()=="USD")
                {
                    fd = (double) (tot*1.21087);
                    t2.setText(String.valueOf(fd+"USD"));
                }
                if(cb1.getSelectedItem().toString()=="Japanies yen" && cb2.getSelectedItem().toString()=="USD")
                {
                    fd = (double) (tot*0.0091);
                    t2.setText(String.valueOf(fd+"USD"));
                }
                if(cb1.getSelectedItem().toString()=="Australian Dollar" && cb2.getSelectedItem().toString()=="USD")
                {
                    fd = (double) (tot*0.77);
                    t2.setText(String.valueOf(fd+"USD"));
                }
                if(cb1.getSelectedItem().toString()=="INR" && cb2.getSelectedItem().toString()=="USD")
                {
                    fd = (double) (tot*0.014);
                    t2.setText(String.valueOf(fd+"USD"));
                }
                if(cb1.getSelectedItem().toString()=="Mexican peso" && cb2.getSelectedItem().toString()=="USD")
                {
                    fd = (double) (tot*0.050);
                    t2.setText(String.valueOf(fd+"USD"));
                } }
        });


        //For Close the Frame on exit
        setDefaultCloseOperation(EXIT_ON_CLOSE);
        //size of Frame
        setSize(750,200);
        //Frame visibility
        setVisible(true);
        setLayout(new FlowLayout());
    }
}

You can also download the java file :

currencyconvertor.java file:  Download

Hopefully, it'll be helpful for all of you.

If you have any queries regarding java please feel free to tell us in the comment section we'll reply.

Also...

If you like the program, then share it with your friends who are also learning java friends to practice this amazing application.

                                                                                                                     (THANKS FOR READING)

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