setDefaultLookAndFeelDecorated

import javax.swing.<em>;

import java.awt.</em>;

import <a href="http://java.io">java.io</a>.*;

import java.util.Properties;

FileInputStream fis = null;
Properties props = new Properties();
File file = new File ("cfg.ini");
String msg;
String usr;


public Login() {
	
    setTitle("Login");
    setSize(200,150);
    GridBagLayout layout = new GridBagLayout();        
    GridBagConstraints c = new GridBagConstraints();
    c.fill= GridBagConstraints.HORIZONTAL;

	getContentPane().setLayout(layout);
	
	JButton btnLogin  	= new JButton("Login");
	
	JLabel lblLogin   	= new JLabel("Usuário");
	JLabel lblSenha   	= new JLabel("Senha");
	
	JTextField txtLogin = new JTextField("teixeira");
	JPasswordField txtSenha = new JPasswordField('*');
	
	
	c.gridy = 0; 
    c.gridx = 0; 
    layout.setConstraints(lblLogin, c);
    getContentPane().add(lblLogin);
    
    c.gridy = 1; 
    c.gridx = 0; 
    layout.setConstraints(lblSenha, c);
    getContentPane().add(lblSenha);
    
    
    c.gridy = 0; 
    c.gridx = 1; 
    layout.setConstraints(txtLogin, c);
    getContentPane().add(txtLogin);
    
    c.gridy = 1; 
    c.gridx = 1; 
    layout.setConstraints(txtSenha, c);
    getContentPane().add(txtSenha);
    
    c.gridy = 2; 
    c.gridx = 1; 
    layout.setConstraints(btnLogin, c);
    getContentPane().add(btnLogin);
    
    setDefaultLookAndFeelDecorated(true);
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    pack();
    setVisible(true);
    
	

	}

public void arquivo() {


file = file.getAbsoluteFile();

try {
		fis = new FileInputStream(file);
		props.load(fis);
		String usr = props.getProperty("usr");
		JOptionPane.showMessageDialog(null,"Usuário:" + " " +
		usr);
		fis.close();

	}
	
	catch (IOException e) {
		
     JOptionPane.showMessageDialog(
     null,"Erro" + "

}
			
	
	}

	
	public static void main(String args[]){
		

    new Login();
		
		}

}

1 - agora no objeto txtLogin, eu quero que apareça o usuário em Colection (usr)

2 - Pq não fica com o setDefaultLookAndFeelDecorated ativo ?