14. TelaRelogio.java

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package cursoemvideo;

import java.text.SimpleDateFormat;
import java.util.Date;

/**
 *
 * @author diego.fernandes
 */
public class TelaRelogio extends javax.swing.JFrame {

    /**
     * Creates new form TelaRelogio
     */
    public TelaRelogio() {
        initComponents();
    }

    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        jLabel2 = new javax.swing.JLabel();
        jLabel1 = new javax.swing.JLabel();
        lblhora = new javax.swing.JLabel();
        btnH = new javax.swing.JButton();

        jLabel2.setText("jLabel2");

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jLabel1.setFont(new java.awt.Font("! PEPSI !", 0, 18)); // NOI18N
        jLabel1.setText("HORA E DATA ATUAL !");

        lblhora.setFont(new java.awt.Font("Anime Ace 2.0 BB", 1, 14)); // NOI18N
        lblhora.setForeground(new java.awt.Color(255, 153, 0));
        lblhora.setHorizontalAlignment(javax.swing.SwingConstants.CENTER);
        lblhora.setText("Clique no Botão:");

        btnH.setText("Clique aqui");
        btnH.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnHActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(101, 101, 101)
                .addComponent(lblhora)
                .addGap(0, 0, Short.MAX_VALUE))
            .addGroup(layout.createSequentialGroup()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addGap(89, 89, 89)
                        .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 226, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(layout.createSequentialGroup()
                        .addGap(135, 135, 135)
                        .addComponent(btnH)))
                .addContainerGap(89, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(50, 50, 50)
                .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(18, 18, 18)
                .addComponent(lblhora)
                .addGap(30, 30, 30)
                .addComponent(btnH)
                .addContainerGap(74, Short.MAX_VALUE))
        );

        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void btnHActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnHActionPerformed
        // TODO add your handling code here:
        Date data = new Date(System.currentTimeMillis()); 
        //SimpleDateFormat formatarDate = new SimpleDateFormat("dd-MM-yyyy"); 
        SimpleDateFormat formatarDate = new SimpleDateFormat();
        lblhora.setText(formatarDate.format(data));
        
    }//GEN-LAST:event_btnHActionPerformed

    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        /* Set the Nimbus look and feel */
        //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
        /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
         * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html 
         */
        try {
            for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                    javax.swing.UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        } catch (ClassNotFoundException ex) {
            java.util.logging.Logger.getLogger(TelaRelogio.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(TelaRelogio.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(TelaRelogio.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(TelaRelogio.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>
            
        /* Create and display the form */
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new TelaRelogio().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton btnH;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel lblhora;
    // End of variables declaration//GEN-END:variables
}