Initial Commit

Author: engineerscodes

FATANSWERKEY/src/TaxSystem.java

@@ -0,0 +1,121 @@
+import java.awt.EventQueue;
+import java.awt.event.*;
+import java.util.HashMap;
+
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JOptionPane;
+
+import java.awt.Font;
+import javax.swing.JTextField;
+import javax.swing.JButton;
+import javax.swing.JPasswordField;
+
+/**
+ * 
+ */
+
+/**
+ *  @author M.NAVEEN
+ *  RANDOM CODER'S
+ *  Tech/Project Lead Android Club
+ */
+public class TaxSystem {
+
+	private JFrame frame;
+	private JTextField userName;
+	private JPasswordField passwordField;
+
+	public static void main(String[] args) {
+		EventQueue.invokeLater(new Runnable() {
+			public void run() {
+				try {
+					TaxSystem window = new TaxSystem();
+					window.frame.setVisible(true);
+				} catch (Exception e) {
+					e.printStackTrace();
+				}
+			}
+		});
+	}
+
+	public TaxSystem() {
+		initialize();
+	}
+
+	private void initialize() {
+		HashMap<String,String> map=new HashMap<String,String>(); 
+		map.put("Naveen", "123456789");
+		map.put("Praveen","963852741");
+		map.put("Rhea", "789456123");
+		map.put("Thilak","741852963");
+		System.out.println(map);
+		frame = new JFrame();
+		frame.setTitle("Please Enter Name and Password");
+		frame.setBounds(100, 100, 450, 300);
+		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		frame.getContentPane().setLayout(null);
+		
+		JLabel name = new JLabel("Name :");
+		name.setFont(new Font("Tahoma", Font.BOLD, 16));
+		name.setBounds(53, 65, 96, 29);
+		frame.getContentPane().add(name);
+		
+		JLabel password = new JLabel("Password :");
+		password.setFont(new Font("Tahoma", Font.BOLD, 16));
+		password.setBounds(53, 133, 96, 29);
+		frame.getContentPane().add(password);
+		
+		userName = new JTextField();
+		userName.setBounds(188, 67, 184, 29);
+		frame.getContentPane().add(userName);
+		userName.setColumns(10);
+		passwordField = new JPasswordField();
+		passwordField.setBounds(188, 133, 184, 29);
+		frame.getContentPane().add(passwordField);
+		frame.setTitle("Please Enter Name and Password");
+		JButton submit = new JButton("Ok\r\n");
+		submit.setFont(new Font("Tahoma", Font.BOLD | Font.ITALIC, 16));
+		submit.setBounds(150, 194, 96, 36);
+		
+		submit.addActionListener(new ActionListener () {
+
+			@Override
+			public void actionPerformed(ActionEvent e) {
+				try {
+				if(map.get(userName.getText()).equals(passwordField.getText()))
+				{
+					JOptionPane.showMessageDialog(submit,"Login Successfull!!!");
+					newFrame nf=new newFrame();
+					nf.setVisible(true);
+			
+				}
+				else
+					JOptionPane.showMessageDialog(submit,"Login Failed Invalid Username and Password!!");
+			
+			}
+			catch(NullPointerException f1) {JOptionPane.showMessageDialog(submit,"Login Failed Invalid Username and Password!!"); //usename is not in HashMap
+			}
+	}
+		});
+		frame.getContentPane().add(submit);
+		
+		
+		JButton cancel = new JButton("Cancel\r\n");
+		cancel.addActionListener(new ActionListener() {
+
+			@Override
+			public void actionPerformed(ActionEvent arg0) {
+				frame.dispose();
+				
+			}
+			
+		});
+		cancel.setFont(new Font("Tahoma", Font.BOLD | Font.ITALIC, 16));
+		cancel.setBounds(260, 194, 96, 36);
+		frame.getContentPane().add(cancel);
+		
+		
+	}
+}
+