Program Java-GUI 2

PROGRAM JAVA BERBASIS GUI 2 (Konversi Suhu)

import javax.swing.*;

import java.awt.event.*;

import java.awt.*;

class konversisuhugui extends JFrame

{

private JButton c, k, f, r;

public konversisuhugui()

{

super("Konversi Suhu");

Container container = getContentPane();

container.setLayout(new FlowLayout());

c = new JButton("Celcius");

c.addActionListener(

new ActionListener()

{

public void actionPerformed(ActionEvent e)

{

int ce = 0;

String celcius = "";

celcius = JOptionPane.showInputDialog("Besar Suhu Celcius");

ce = Integer.parseInt(celcius);

int ke = ce + 273;

int fa = ce * 9 / 5 + 32;

int re = ce * 4 / 5;

JOptionPane.showMessageDialog(null,ce + " " + "C -> Kelvin = " + ke + "\n" + ce + " " +

"C -> Fahrenheit = " + fa + "\n" + ce + " " + "C -> Reamur = " + re);

}

}

);

container.add(c);

k = new JButton ("Kelvin");

k.addActionListener(

new ActionListener()

{

public void actionPerformed(ActionEvent e)

{

int ke = 0;

String kelvin = "";

kelvin = JOptionPane.showInputDialog("Besar Suhu Kelvin");

ke = Integer.parseInt(kelvin);

int ce = ke - 273;

int fa = (ke - 273) * 9 / 5 + 32;

int re = (ke - 273) * 4 / 5;

JOptionPane.showMessageDialog(null,ke + " " + "K -> Celcius = " + ce + "\n" + ke + " " +

"K -> Fahrenheit = " + fa + "\n" + ke + " " + "K -> Reamur = " + re);

}

}

);

container.add(k);

f = new JButton("Fahrenheit");

f.addActionListener(

new ActionListener()

{

public void actionPerformed(ActionEvent e)

{

int fa = 0;

String fahrenheit = "";

fahrenheit = JOptionPane.showInputDialog("Besar Suhu Fahrenheit");

fa = Integer.parseInt(fahrenheit);

int ce = (fa - 32) * 5 / 9;

int ke = (fa - 32) * 5 / 9 + 273;

int re = (fa - 32) * 4 / 9;

JOptionPane.showMessageDialog(null,fa + " " + "F -> Celcius = " + ce + "\n" + fa + " " +

"F -> Kelvin = " + ke + "\n" + fa + " " + "F -> Reamur = " + re);

}

}

);

container.add(f);

r = new JButton("Reamur");

r.addActionListener(

new ActionListener()

{

public void actionPerformed(ActionEvent e)

{

int re = 0;

String reamur = "";

reamur = JOptionPane.showInputDialog("Besar Suhu Reamur");

re = Integer.parseInt(reamur);

int ce = re * 5 / 4;

int ke = re * 5 / 4 + 273;

int fa = re * 9 / 4 + 32;

JOptionPane.showMessageDialog(null,re + " " + "R -> Celcius = " + ce + "\n" + re + " " +

"R -> Kelvin = " + ke +"\n" + re + " " + "R -> Fahrenheit = " + fa);

}

}

);

container.add(r);

setSize(380,70);

setLocationRelativeTo(null);

setVisible(true);

}

public static void main(String[]abi)

{

konversisuhugui test = new konversisuhugui();

test.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

System.out.print("Pilih suhu yang ingin di konversikan !");

}

}