Tweet Contoh Program Java Kalkulator

Java merupakan bahasa program yang sangat populer pada saat ini. Bahasa yang di buat agar bisa mempermudah sang programer membuat sebuah progaram. Berikut adalah Contoh Program Java Kalkulator, ini adalah contoh yang sangat mendasar bagi pemula.

<br /> import javax.swing.*;<br /> import java.awt.event.*;<br /> public class kalkulator extends JFrame {<br /> JLabel lb1 = new JLabel ("Masukkan Nilai Pertama =");<br /> JLabel lb2 = new JLabel ("Masukan Nilai Kedua =");<br /> JLabel lb3 = new JLabel ("Hasil =");<br /> JTextField n1 = new JTextField(10);<br /> JTextField n2 = new JTextField(10);<br /> JTextField hasil = new JTextField(10);<br /> JButton tbTambah = new JButton ("(+)");<br /> JButton tbKurang = new JButton ("(-)");<br /> JButton tbBagi = new JButton ("(:)");<br /> JButton tbMod = new JButton ("(Mod)");<br /> JButton tbKali = new JButton ("(X)");<br /> JButton tbKeluar = new JButton ("Keluar");<br /> <br /> public kalkulator(){<br /> setTitle("Kalkulator Sederhana");<br /> setLocation(350,200);<br /> setSize(470,300);<br /> setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);<br /> setVisible(true);<br /> }<br /> void komponen(){<br /> getContentPane().setLayout(null);<br /> getContentPane().add(lb1);<br /> lb1.setBounds(20,20,350,20);<br /> getContentPane().add(n1);<br /> n1.setBounds(180,20,150,20); <br /> getContentPane().add(lb2);<br /> lb2.setBounds(20,45,350,20);<br /> getContentPane().add(n2);<br /> n2.setBounds(180,45,150,20); <br /> getContentPane().add(lb3);<br /> lb3.setBounds(20,70,350,20); <br /> getContentPane().add(hasil); <br /> hasil.setBounds(180,70,150,20);<br /> hasil.setEditable(false); <br /> getContentPane().add(tbTambah); <br /> tbTambah.setBounds(10,120,80,40); <br /> getContentPane().add(tbKurang);<br /> tbKurang.setBounds(100,120,80,40);<br /> getContentPane().add(tbKali);<br /> tbKali.setBounds(190,120,80,40);<br /> getContentPane().add(tbBagi);<br /> tbBagi.setBounds(280,120,80,40);<br /> getContentPane().add(tbMod);<br /> tbMod.setBounds(370,120,80,40);<br /> getContentPane().add(tbKeluar);<br /> tbKeluar.setBounds(175,180,100,40);<br /> <br /> void action(){<br /> tbTambah.addActionListener( new ActionListener(){<br /> int a,b;<br /> <br /> public void actionPerformed(ActionEvent e)<br /> int nil1 = Integer.parseInt(n1.getText());<br /> int nil2 = Integer.parseInt(n2.getText());<br /> a=nil1+nil2;<br /> String l = String.valueOf(a); <br /> hasil.setText(l);<br /> }<br /> });<br /> tbKurang.addActionListener( new ActionListener(){<br /> int a,b;<br /> public void actionPerformed(ActionEvent e)<br /> {<br /> int nil1 = Integer.parseInt(n1.getText());<br /> int nil2 = Integer.parseInt(n2.getText()); <br /> a=nil1-nil2;<br /> String l = String.valueOf(a);<br /> hasil.setText(l);<br /> }<br /> });<br /> tbKali.addActionListener( new ActionListener(){<br /> int a,b;<br /> public void actionPerformed(ActionEvent e)<br /> {<br /> int nil1 = Integer.parseInt(n1.getText());<br /> int nil2 = Integer.parseInt(n2.getText());<br /> a=nil1 * nil2;<br /> String l = String.valueOf(a);<br /> hasil.setText(l);<br /> }<br /> });<br /> tbBagi.addActionListener( new ActionListener(){<br /> float a,b;<br /> public void actionPerformed(ActionEvent e)<br /> {<br /> float nil1 = Integer.parseInt(n1.getText());<br /> float nil2 = Integer.parseInt(n2.getText());<br /> a=nil1/nil2;<br /> String l = String.valueOf(a);<br /> hasil.setText(l);<br /> }<br /> });<br /> tbMod.addActionListener( new ActionListener(){<br /> int a,b;<br /> public void actionPerformed(ActionEvent e)<br /> {<br /> int nil1 = Integer.parseInt(n1.getText());<br /> int nil2 = Integer.parseInt(n2.getText());<br /> a=nil1 % nil2;<br /> String l = String.valueOf(a);<br /> hasil.setText(l);<br /> }<br /> });<br /> tbKeluar.addActionListener( new ActionListener(){<br /> public void actionPerformed(ActionEvent e)<br /> {<br /> dispose();<br /> System.exit(0);<br /> }<br /> }<br /> )<br /> public static void main (String [] args) {<br /> kalkulator apl = new kalkulator();<br /> apl.komponen();<br /> apl.action();<br /> }<br />