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/ Configuring NetBeans and Running Programs.txt
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April 16, 2018 05:00
Java - Configuring NetBeans and Running Programs
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| 1. СРЕДА РАЗРАБОТКИ ПРИЛОЖЕНИЙ NETBEANS | |
| РАБОЧАЯ ПАПКА ПРОЕКТОВ ПО-УМОЛЧАНИЮ: | |
| C:\Documents and Settings\<ИМЯ_ПОЛЬЗОВАТЕЛЯ>\Мои документы\NetBeansProjects | |
| ЗАПУСК ПРОГРАММЫ НА ВЫПОЛНЕНИЕ: Заходим в меню "Выполнить" - "Запустить проект" (F6) | |
| СОХРАНЕНИЕ ПРОЕКТА: Заходим в меню "Файл" - "Сохранить все" (Ctrl+Shift+S) |
proffix4
/ The simplest Java programs.java
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April 16, 2018 05:00
Java - The simplest Java programs
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| 1. ПРИМЕРЫ ПРОСТЕЙШИХ ПРОГРАММ С ГРАФИЧЕСКИМ ИНТЕРФЕЙСОМ | |
| 1.1. Пример деления двух цифр | |
| private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) { | |
| // Вычисление выражения | |
| String a, b, c; // Строковые переменные | |
| double z; // Вещественные переменные | |
| double x, y; // Вещественные переменные |
proffix4
/ Working with JTable tables.java
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April 16, 2018 05:00
Java - Working with JTable tables
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| 1. СЛУЧАЙНЫЕ ЧИСЛА В JTable | |
| private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) { | |
| // Случайные числа в JTable | |
| long k; | |
| for (int i = 0; i < jTable1.getRowCount(); i++) { | |
| for (int j = 0; j < jTable1.getColumnCount(); j++) { | |
| k = Math.round(Math.random() * 10); | |
| jTable1.setValueAt(String.valueOf(k), i, j); | |
| } |
proffix4
/ Data types. Control structures.java
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April 16, 2018 05:00
Java - Data types. Control structures
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| 1. ТИПЫ ДАННЫХ | |
| 1.1. Целые типы | |
| byte: -128 .. 127 | |
| short: -32768 .. 32767 | |
| int: -2147483648 .. 2147483647 | |
| long: -922372036854775808 .. 922372036854775807 |
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| 1. ОДНОМЕРНЫЕ СТАТИЧЕСКИЕ МАССИВЫ | |
| package tsn01.array; | |
| import java.util.Arrays; | |
| public class TSN01_Array { | |
| public static void main(String[] args) { |
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| 1. ОКНО «JFrame» | |
| 1.1. Установка внешнего вида окна в стиле «Windows» | |
| Для установки внешнего вида окна в стиле «Windows», необходимо зайти в программный код окна (вкладка «Источник»), раскрыть весь программный код (нажав на значки «+»), и найти следующий фрагмент кода: | |
| if ("Nimbus".equals(info.getName())) { | |
| javax.swing.UIManager.setLookAndFeel(info.getClassName()); | |
| break; |
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| 1. ПРИМЕРЫ РАБОТЫ СО СТРОКАМИ | |
| 1.1. Преобразования строк | |
| package tsn01.string; | |
| public class TSN01_String { | |
| public static void main(String[] args) { |
proffix4
/ Components of work with text data.java
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April 16, 2018 04:59
Java - Components of work with text data
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| 1. МЕТКА «JLabel» | |
| В свойстве text можно не только задавать простейший текст, но и задавать его в виде html-текста, например: | |
| <html> | |
| <h1>Большой текст</h1> | |
| <h2>Небольшой текст</h2> | |
| <h3>Поменьше текст</h3> | |
| <b>Жирная надпись</b><br> |
proffix4
/ Working with Timers, Sound, Graphics, Tray, Streams, Registry.java
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April 16, 2018 04:59
Java - Working with Timers, Sound, Graphics, Tray, Streams, Registry
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| 1. РАБОТА С ТАЙМЕРАМИ | |
| 1.1. Пример работы с swing-таймерами | |
| public class Form1 extends javax.swing.JFrame { | |
| … | |
| // Текст таймера прописывается в данном месте кода формы вручную! | |
| // Таймер будет вызываться каждую миллисекунду |
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| 1. МНОГООКОННЫЕ ПРОГРАММЫ | |
| private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) { | |
| // Переход на 2 окно, кнопка «Вперед» | |
| this.setVisible(false); // Спрятать главное окно 1 | |
| jFrame2.setVisible(true); // Показать окно 2 | |
| } | |
| private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) { |
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