前 言
第1章 開始Java之旅 ············1
1.1 無處不在的Java ················1
1.2 Java為何受大家喜愛 ················2
1.3 Java的目標 ··············3
1.4 Java開發環境的搭建 ················3
1.4.1 JDK的下載與安裝 ·············3
1.4.2 Java開發環境配置 ·············5
1.5 Java程序運行的原理 ················6
1.6 Java開發工具Eclipse ···············6
1.6.1 Eclipse的安裝與啟動 ···············6
1.6.2 Eclipse編寫Java程序的流程···············8
1.7 要點總結 ··············12
1.8 練習題 ················12
第2章 Java語言基礎 ·······13
2.1 Java程序的基本組成 ··············13
2.2 Java語言的數據類型 ··············16
2.2.1 整數類型 ·················16
2.2.2 浮點類型 ·················17
2.2.3 字符類型 ·················17
2.2.4 布爾類型 ·················17
2.2.5 基本數據類型的默認值 ···············17
2.2.6 類型轉換 ·················17
2.3 運算符和表達式 ················19
2.3.1 賦值運算符 ···············19
2.3.2 算術運算符 ···············19
2.3.3 位運算符 ·················20
2.3.4 關系運算符 ···············21
2.3.5 三元運算符 ···············21
2.3.6 運算符優先級 ···············22
2.4 流程控制語句 ············22
2.4.1 選擇語句 ·················22
2.4.2 循環語句 ·················27
2.5 數組與方法 ··············32
2.5.1 一維數組 ·················32
2.5.2 二維數組 ·················35
2.5.3 方法 ·············37
2.6 要點總結 ··············40
2.7 編程練習 ··············40
第3 章 Java 面向對象編程 ··············· 41
3.1 理解面向對象 ············41
3.1.1 基本概念 ·················41
3.1.2 基本特性 ·················42
3.2 類與對象 ··············42
3.2.1 類定義 ···················42
3.2.2 對象的創建及使用 ············45
3.2.3 this 和static 關鍵字 ············48
3.2.4 內部類 ···················52
3.3 繼承 ··················53
3.3.1 繼承的語法和規則 ············53
3.3.2 重載和覆蓋 ···············55
3.3.3 super 關鍵字 ················56
3.4 final 關鍵字 ··············57
3.4.1 final 變量 ·················57
3.4.2 final 方法 ·················57
3.4.3 final 類 ················58
3.5 抽象類 ················58
3.6 接口 ··················59
3.6.1 接口定義 ·················59
3.6.2 實現接口 ·················60
3.6.3 匿名內部類 ···············61
3.7 包及訪問控制權限 ················61
3.7.1 包的操作 ··················62
3.7.2 訪問權限修飾符 ··············62
3.8 對象的多態性 ············63
3.9 Object 類 ··············64
3.10 包裝類 ················66
3.10.1 基本數據類型轉換為包裝類 ·············67
3.10.2 字符串轉換為包裝類 ···············67
3.10.3 包裝類轉換為基本數據類型 ·············67
3.10.4 字符串轉換為基本數據類型 ·············68
3.10.5 自動裝箱和自動拆箱 ···············68
3.10.6 覆蓋父類的方法 ·············69
3.11 String 類 ···············69
3.11.1 String 對象的實例化和內容比較 ············69
3.11.2 String 類中的常用方法 ···············70
3.12 要點總結 ··············71
3.13 編程練習 ··············71
第4 章 Java 異常 ·············· 73
4.1 Java 中的異常類及分類 ··············73
4.2 Java 異常處理機制 ················75
4.2.1 捕獲處理異常 ···············76
4.2.2 聲明拋出異常 ···············80
4.3 自定義異常 ··············82
4.4 自定義異常的綜合應用 ··············84
4.5 實例練習：異常的綜合應用 ············87
4.6 要點總結 ··············88
4.7 編程練習 ··············88
第5 章 Java 線程 ·············· 90
5.1 多線程及線程簡介 ················90
5.2 線程的創建 ··············91
5.3 線程的狀態 ··············95
5.4 線程的調度 ··············95
5.5 線程的優先級 ············96
5.6 守護線程 ··············99
5.7 線程同步 ··············101
5.8 實例練習：線程綜合應用 ·············106
5.9 要點總結 ··············109
5.10 練習題 ··············109
5.11 編程練習 ··············110
第6 章·············111
Java 集合框架 ···············111
6.1 常用集合接口 ··············111
6.1.1 Collection 接口 ··············112
6.1.2 List 接口 ················113
6.1.3 Set 接口 ·················114
6.1.4 Map 接口 ·················114
6.1.5 Map.Entry 接口 ·············116
6.1.6 Iterator 接口 ···············116
6.1.7 ListIterator 接口 ············116
6.2 常用集合類 ············117
6.2.1 ArrayList 類 ··············118
6.2.2 LinkedList 類 ···············121
6.2.3 HashSet 類 ···············125
6.2.4 HashMap ················127
6.3 實例練習：集合類的綜合運用 ·············131
6.4 要點總結 ··············132
6.5 練習題 ················132
6.6 編程練習 ··············133
第7 章 Java IO ··············· 134
7.1 File 類 ···············134
7.2 RandomAccessFile 類 ··············136
7.3 字節流與字符流 ················137
7.3.1 字節流 ··················138
7.3.2 字符流 ··················139
7.3.3 字節流與字符流的區別 ···············140
7.4 轉換流 ················141
7.5 打印流 ················142
7.6 管道流 ················143
7.7 BufferedReader 類和BufferedWriter 類 ············144
7.8 數據操作流 ············145
7.9 對象流 ················147
7.10 Scanner 類 ············148
7.11 要點總結 ··············148
7.12 編程練習 ··············149
第8 章 Java 數據庫編程 ·············· 150
8.1 JDBC 技術 ·············150
8.1.1 JDBC 技術簡介 ·············150
8.1.2 JDBC 驅動程序 ·············151
8.1.3 JDBC 和ODBC 與其他API 的比較 ············152
8.2 結構化查詢語言 ···············152
8.2.1 SQL 簡介 ·················153
8.2.2 SELECT 語句 ··············153
8.2.3 更新記錄 ·················154
8.2.4 聚集函數 ·················155
8.3 JDBC 基本操作 ·················156
8.3.1 JDBC 操作步驟 ·············156
8.3.2 JDBC-ODBC 連接數據庫 ··············157
8.3.3 JDBC 直接連接數據庫 ···············163
8.3.4 JDBC 對數據庫的更新操作 ·············167
8.4 JDBC 高級操作 ·················170
8.4.1 PreparedStatemen 接口 ···············170
8.4.2 CallableStatement 接口 ···············172
8.4.3 事務處理 ·················173
8.5 要點總結 ··············173
8.6 練習題 ················173
8.7 編程練習 ··············174
第9 章 Java 網絡編程 ············· 175
9.1 網絡基礎 ··············175
9.1.1 TCP/IP 網絡模型 ············175
9.1.2 IP 地址與InetAddress 類··············176
9.1.3 套接字 ·················176
9.2 UDP 協議網絡程序 ···············177
9.2.1 概述 ·············177
9.2.2 DatagramPacket 類 ·············177
9.2.3 DatagramSocket 類 ·············178
9.2.4 創建UDP 服務器端程序 ···············179
9.2.5 創建UDP 客戶端程序 ···············180
9.3 TCP 協議網絡程序················181
9.3.1 概述 ·············181
9.3.2 Socket 類················182
9.3.3 ServerSocket 類 ·············183
9.3.4 創建TCP 服務器端程序 ··············184
9.3.5 創建TCP 客戶端程序 ················185
9.4 HTTP 協議網絡程序 ···············186
9.4.1 概述 ·············186
9.4.2 URL 類 ··················186
9.4.3 URLConnection 類 ··············188
9.5 綜合實例：實現簡單的Web 服務器·············189
9.6 要點總結 ··············193
9.7 練習題 ················193
9.8 編程練習 ··············194
第10 章 Java 圖形用戶界面 ··············· 195
10.1 AWT 與Swing 簡介 ··············195
10.1.1 AWT 簡介 ················195
10.1.2 Swing 簡介 ··············196
10.1.3 容器簡介 ···············196
10.2 創建窗體 ··············197
10.3 標簽組件：JLabel ···············198
10.4 按鈕組件：JButton ···············202
10.5 JPanel 容器 ············203
10.6 布局管理器 ············204
10.6.1 FlowLayout ··············204
10.6.2 BorderLayout ·············205
10.6.3 GridLayout ···············206
10.6.4 CardLayout ··············207
10.7 文本組件：JTextComponent ············208
10.7.1 單行文本框：JTextField ·············208
10.7.2 密碼文本框：JPasswordField ·············210
10.7.3 多行文本框：JTextArea ···············211
10.8 事件處理 ··············212
10.8.1 事件和監聽器 ·············212
10.8.2 窗體事件 ···············215
10.8.3 動作事件及監聽處理 ···············218
10.8.4 鍵盤事件及監聽處理 ···············219
10.8.5 鼠標事件及監聽處理 ···············221
10.8.6 焦點事件及監聽處理 ···············223
10.9 單選按鈕組件：JRadioButton ···············224
10.10 復選框組件：JCheckBox ··············227
10.11 列表框組件：JList ··············229
10.12 下拉列表框：JComboBox ···············230
10.13 菜單組件：JMenu 與JMenuBar ··············232
10.14 文件選擇框組件：JFileChooser ·············233
10.15 要點總結 ············236
10.16 練習題 ··············236
第11 章 Java 常用類庫 ············ 239
11.1 StringBuffer 類 ···············239
11.2 Runtime 類 ·············242
11.3 System 類 ·············244
11.4 Math 類 ··············244
11.5 Random 類 ·············245
11.6 要點總結 ··············245
11.7 練習題 ··············245
第12 章 Java 項目開發 ············· 248
12.1 軟件開發過程 ··················248
12.1.1 需求 ···················248
12.1.2 分析設計 ···············249
12.1.3 實現和測試 ···············249
12.2 項目實例：記事本工具的開發 ··············249
12.2.1 需求分析設計 ·············249
12.2.2 實現和測試 ···············250
12.3 項目實例：網絡通信工具的開發 ··············267
12.3.1 需求分析設計 ·············267
12.3.2 實現和測試 ···············268
12.4 項目實例：在線相冊的開發 ··········272
12.4.1 需求分析設計 ·············272
12.4.2 數據庫設計 ···············273
12.4.3 開發數據庫JavaBean ·············276
12.4.4 實現和測試 ··············290
12.5 要點總結 ··············308
12.6 編程練習 ··············308