📁 Java Tutorial 123 - Code Viewer

import java.awt.Color; import java.awt.Font; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JPasswordField; import javax.swing.JTextField; public class JavaPasswordArayuzu { public JavaPasswordArayuzu() { Font userFont = new Font("Ubuntu", Font.PLAIN, 17); // fonts.google.com JFrame frame = new JFrame("JPasswordField Giriş Ekranı | Java Blackboard [123]"); frame.setLayout(null); JPanel panel = new JPanel(); panel.setLayout(null); panel.setBackground(new Color( 224, 237, 253)); panel.setBounds(50, 50, 500, 300); JLabel userLabel = new JLabel("User : "); userLabel.setFont(userFont); userLabel.setHorizontalAlignment(JLabel.RIGHT); userLabel.setBounds(30, 30, 100, 30); JTextField userTF = new JTextField(); userTF.setBounds(150, 30, 200, 30); JLabel userPass = new JLabel("Password : "); userPass.setFont(userFont); userPass.setHorizontalAlignment(JLabel.RIGHT); userPass.setBounds(30, 70, 100, 30); JLabel labelOnay = new JLabel(""); labelOnay.setFont(userFont); labelOnay.setBounds(150, 200, 200, 30); // char pwc = '\u265F'; // SiyahPiyon : '\u265F' // char pwc = '\u265B'; // SiyahVezir : '\u265B' char pwc = '\u2605'; // SiyahYildiz JPasswordField userPF = new JPasswordField(); userPF.setEchoChar(pwc); // // userPF.setEchoChar('♕'); // SiyahVezir // userPF.setEchoChar('♟'); // SiyahPiyon // userPF.setEchoChar((char)0); // Sifrenin gorunmesini saglar. // userPF.setEchoChar((char)1); // Sifrenin tam gizliligini saglar. Imleç hareket etmez. // userPF.setEchoChar((char)2); // Sifrenin imleç hareketini gösterir... // userPF.setEchoChar((char)-1); // Sifrenin bos kare seklinde gorunmesini saglar userPF.setBounds(150, 70, 200, 30); JButton loginButon = new JButton("Login"); loginButon.setBounds(150, 110, 200, 30); loginButon.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { // Sifreyi bu sekilde ALMAYINIZ!!! // String parola = userPF.getText(); char[] passKarakterDizisi = userPF.getPassword(); String parola = new String(passKarakterDizisi); String userName = userTF.getText(); if (userName.equals("istanbul") && parola.equals("1453")) { labelOnay.setForeground(new Color(4, 156, 21)); // Yesil labelOnay.setText("Giriş Onaylandi."); } else { labelOnay.setForeground(new Color(255, 0 ,0)); // Kirmizi labelOnay.setText("Giriş Reddedildi."); } } }); panel.add(userLabel); panel.add(userTF); panel.add(userPass); panel.add(userPF); panel.add(loginButon); panel.add(labelOnay); frame.add(panel); frame.setSize(600, 425); frame.setLocationRelativeTo(null); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setResizable(false); frame.setVisible(true); } public static void main(String[] args) { new JavaPasswordArayuzu(); } }