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@@ -0,0 +1,134 @@
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+/*
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+ * To change this license header, choose License Headers in Project Properties.
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+ * To change this template file, choose Tools | Templates
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+ * and open the template in the editor.
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+ */
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+package javaapp1;
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+
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+/**
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+ *
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+ * @author Анастасия
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+ */
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+public class Frame1 extends javax.swing.JFrame {
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+
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+ boolean btext = true; // добавим логическую переменную
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+
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+ /**
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+ * Creates new form Frame1
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+ */
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+ public Frame1() {
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+ initComponents();
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+ }
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+
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+ /**
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+ * This method is called from within the constructor to initialize the form.
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+ * WARNING: Do NOT modify this code. The content of this method is always
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+ * regenerated by the Form Editor.
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+ */
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+ @SuppressWarnings("unchecked")
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+ // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
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+ private void initComponents() {
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+
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+ jButton1 = new javax.swing.JButton();
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+ jButton2 = new javax.swing.JButton();
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+ jLabel1 = new javax.swing.JLabel();
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+
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+ setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
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+
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+ jButton1.setText("Вывод текста");
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+ jButton1.addActionListener(new java.awt.event.ActionListener() {
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+ public void actionPerformed(java.awt.event.ActionEvent evt) {
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+ jButton1ActionPerformed(evt);
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+ }
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+ });
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+
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+ jButton2.setText("Открытие окна");
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+ jButton2.addActionListener(new java.awt.event.ActionListener() {
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+ public void actionPerformed(java.awt.event.ActionEvent evt) {
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+ jButton2ActionPerformed(evt);
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+ }
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+ });
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+
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+ jLabel1.setText(" ");
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+
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+ javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
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+ getContentPane().setLayout(layout);
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+ layout.setHorizontalGroup(
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+ layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
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+ .addGroup(layout.createSequentialGroup()
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+ .addGap(64, 64, 64)
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+ .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
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+ .addComponent(jButton1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
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+ .addComponent(jButton2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
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+ .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 102, Short.MAX_VALUE)
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+ .addComponent(jLabel1)
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+ .addGap(114, 114, 114))
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+ );
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+ layout.setVerticalGroup(
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+ layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
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+ .addGroup(layout.createSequentialGroup()
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+ .addGap(89, 89, 89)
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+ .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
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+ .addComponent(jButton1)
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+ .addComponent(jLabel1))
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+ .addGap(54, 54, 54)
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+ .addComponent(jButton2)
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+ .addContainerGap(111, Short.MAX_VALUE))
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+ );
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+
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+ pack();
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+ }// </editor-fold>//GEN-END:initComponents
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+
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+ private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed
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+ if(btext) {jLabel1.setText("Hello"); btext=false;} // если btext=true, записываем в наш JLabel запись, меняем btext на false
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+ else{jLabel1.setText(""); btext=true;} // в ином случае, записываем пустой текст в JLabel, меняем btext на true
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+
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+ }//GEN-LAST:event_jButton1ActionPerformed
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+
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+ private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton2ActionPerformed
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+ this.dispose(); // закрываем 1 окно
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+ Frame2 fr = new Frame2(); // экземпляр класса 2 окна
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+ fr.setVisible(true); // делаем его видимым
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+ }//GEN-LAST:event_jButton2ActionPerformed
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+
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+ /**
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+ * @param args the command line arguments
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+ */
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+ public static void main(String args[]) {
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+ /* Set the Nimbus look and feel */
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+ //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
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+ /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
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+ * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
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+ */
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+ try {
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+ for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
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+ if ("Nimbus".equals(info.getName())) {
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+ javax.swing.UIManager.setLookAndFeel(info.getClassName());
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+ break;
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+ }
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+ }
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+ } catch (ClassNotFoundException ex) {
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+ java.util.logging.Logger.getLogger(Frame1.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
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+ } catch (InstantiationException ex) {
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+ java.util.logging.Logger.getLogger(Frame1.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
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+ } catch (IllegalAccessException ex) {
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+ java.util.logging.Logger.getLogger(Frame1.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
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+ } catch (javax.swing.UnsupportedLookAndFeelException ex) {
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+ java.util.logging.Logger.getLogger(Frame1.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
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+ }
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+ //</editor-fold>
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+
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+ /* Create and display the form */
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+ java.awt.EventQueue.invokeLater(new Runnable() {
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+ public void run() {
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+ new Frame1().setVisible(true);
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+ }
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+ });
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+ }
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+
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+ // Variables declaration - do not modify//GEN-BEGIN:variables
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+ private javax.swing.JButton jButton1;
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+ private javax.swing.JButton jButton2;
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+ private javax.swing.JLabel jLabel1;
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+ // End of variables declaration//GEN-END:variables
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+}
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Hello Anton
8 years ago