Pro Java 8 Programming

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Pro Java 8 Programming covers the core Java development kit and the finer points of the core standard edition (SE) and development kit version 8. You'll discover the particulars of working with the Java language and APIs to develop applications in many different contexts.

You will also delve into more advanced topics like lambda expressions, closures, new i/o (NIO.2), enums, generics, XML, metadata and the Swing APIs for GUI design and development. By the end of the book, you’ll be fully prepared to take advantage of Java's ease of development, and able to create powerful, sophisticated Java applications.

What you’ll learn

• How to use and design your own libraries, classes and methods
• How to use the new lambda expressions, closures, stream API and more
• How to use the new thread and I/O APIs for today's Java applications that must perform at enterprise and parallel scales
• How to use the improved collections APIs
• How to build a better Java UI/UX using layout managers, Swing's JTable and JTree APIs, cut-and-paste, and drag-and-drop
• How to use Java Database Connectivity (JDBC) to connect and integrate with various MySQL, Oracle, and NoSQL databases
• How to work with internationalization, localization and more
• How to effectively use XML and add annotations to your Java applications and more
  

Who this book is for

This book is for experienced Java programmers or developers looking to further refine or add to their skills and knowledge base.

Table of Contents

1. Going Inside Java 8

2. Designing Libraries, Classes, and Methods

3. Lambda Expressions and Closures

4. Using Threads in Your Applications

5. Using Stream APIs and Collections

6. Using Layout Managers

7. Using Swing’s JTable

8. Using Swing’s JTree

9. Adding Cut-and-Paste Functionality

10. Adding Drag-and-Drop Functionality

11. Printing

12. Introducing Java Database Connectivity (JDBC)

13. Internationalizing Your Applications

14. Using XML

15. Adding Annotations

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• Pro_Java_8.epub

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Pro Java 8 Programming
需要: 3 个论坛币  [购买]

• Paperback: 708 pages
• Publisher: Apress; 3 edition (May 27, 2015)
• Language: English
• ISBN-10: 1484206428
• ISBN-13: 978-1484206423
• Product Dimensions: 7 x 1.6 x 10 inches
• Shipping Weight: 2.7 pounds
• http://www.amazon.com/Pro-Java-Programming-Brett-Spell/dp/1484206428/ref=sr_1_1_twi_1_pap?ie=UTF8&qid=1433252974&sr=8-1&keywords=Pro+Java+8+Programming
  

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关键词：Programming Program gram Ming Java Java different discover standard version

Loose Coupling

Coupling refers to the degree to which classes depend upon one another, and two classes that are highly dependent upon each other are considered tightly (sometimes called highly) coupled. Coupling is inevitable in some cases because classes must maintain references to one another and perform method calls. However, when you implement a class that’s a good candidate for reuse, you should limit its dependencies on other classes as much as possible. It’s often not obvious how to do this because you usually can’t simply eliminate the interaction between classes. In many cases, it’s possible to create a pure abstraction that handles the interaction between two classes or to shift the responsibility for the interaction to an existing class that you don’t intend to make reusable.

As an example, suppose you need to create a graphical component that allows you to select font properties, enter some sample text, and have that sample text displayed using the selected font properties. When the font or the sample text changes, the display should update to display the sample text value using the current font settings.

To satisfy these requirements, you might first create a class similar to the one in Listing 2-1, which defines a panel that allows you to select the font properties (name, size, bold, italic). (See Figure 2-1)

1. Listing 2-1. The Initial FontPropertiesPanel Code
   
2. 
   
3. import java.awt.*;
   
4. import java.awt.event.*;
   
5. import javax.swing.*;
   
6. import javax.swing.event.*;
   
7. 
   
8. public class FontPropertiesPanel extends JPanel {
   
9. 
   
10.   protected JList<String> nameList;
    
11.   protected JComboBox<Integer> sizeBox;
    
12.   protected JCheckBox boldBox;
    
13.   protected JCheckBox italicBox;
    
14. 
    
15.   protected SampleTextFrame frame;
    
16. 
    
17.   public final static int[] fontSizes = {10, 12, 14, 18, 24, 32, 48, 64};
    
18. 
    
19.   public FontPropertiesPanel(SampleTextFrame stf) {
    
20.     super();
    
21.     frame = stf;
    
22.     createComponents();
    
23.     buildLayout();
    
24.   }
    
25. 
    
26.   protected void buildLayout() {
    
27.     JLabel label;
    
28.     GridBagConstraints constraints = new GridBagConstraints();
    
29.     GridBagLayout layout = new GridBagLayout();
    
30.     setLayout(layout);
    
31. 
    
32.     constraints.anchor = GridBagConstraints.WEST;
    
33.     constraints.insets = new Insets(5, 10, 5, 10);
    
34. 
    
35.     constraints.gridx = 0;
    
36.     label = new JLabel("Name:", JLabel.LEFT);
    
37.     layout.setConstraints(label, constraints);
    
38.     add(label);
    
39.     label = new JLabel("Size:", JLabel.LEFT);
    
40.     layout.setConstraints(label, constraints);
    
41.     add(label);
    
42.     layout.setConstraints(boldBox, constraints);
    
43.     add(boldBox);
    
44. 
    
45.     constraints.gridx++;
    
46.     nameList.setVisibleRowCount(3);
    
47.     JScrollPane jsp = new JScrollPane(nameList);
    
48.     layout.setConstraints(jsp, constraints);
    
49.     add(jsp);
    
50.     layout.setConstraints(sizeBox, constraints);
    
51.     add(sizeBox);
    
52.     layout.setConstraints(italicBox, constraints);
    
53.     add(italicBox);
    
54.   }
    
55. 
    
56.   protected void createComponents() {
    
57.     GraphicsEnvironment ge =
    
58.         GraphicsEnvironment.getLocalGraphicsEnvironment();
    
59.     String[] names = ge.getAvailableFontFamilyNames();
    
60.     nameList = new JList<String>(names);
    
61.     nameList.setSelectedIndex(0);
    
62.     nameList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    
63.     nameList.addListSelectionListener(new ListSelectionListener() {
    
64.       public void valueChanged(ListSelectionEvent event) {
    
65.         handleFontPropertyChange();
    
66.       }
    
67.     }
    
68.     );
    
69.     Integer sizes[] = new Integer[fontSizes.length];
    
70.     for (int i = 0; i < sizes.length; i++) {
    
71.       sizes[i] = new Integer(fontSizes[i]);
    
72.     }
    
73.     sizeBox = new JComboBox<Integer>(sizes);
    
74.     sizeBox.addActionListener(new ActionListener() {
    
75.       public void actionPerformed(ActionEvent event) {
    
76.         handleFontPropertyChange();
    
77.       }
    
78.     }
    
79.     );
    
80.     boldBox = new JCheckBox("Bold");
    
81.     boldBox.addActionListener(new ActionListener() {
    
82.       public void actionPerformed(ActionEvent event) {
    
83.         handleFontPropertyChange();
    
84.       }
    
85.     }
    
86.     );
    
87.     italicBox = new JCheckBox("Italic");
    
88.     italicBox.addActionListener(new ActionListener() {
    
89.       public void actionPerformed(ActionEvent event) {
    
90.         handleFontPropertyChange();
    
91.       }
    
92.     }
    
93.     );
    
94.   }
    
95. 
    
96.   protected void handleFontPropertyChange() {
    
97.     frame.refreshDisplayFont();
    
98.   }
    
99. 
    
100.   public String getSelectedFontName() {
     
101.     return (String)(nameList.getSelectedValue());
     
102.   }
     
103. 
     
104.   public int getSelectedFontSize() {
     
105.     return ((Integer)(sizeBox.getSelectedItem())).intValue();
     
106.   }
     
107. 
     
108.   public boolean isBoldSelected() {
     
109.     return boldBox.isSelected();
     
110.   }
     
111. 
     
112.   public boolean isItalicSelected() {
     
113.     return italicBox.isSelected();
     
114.   }
     
115. 
     
116. }

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Pro Java 8 Programming

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