OCP：Java SE 11 Developer 認證指南（上）: 物件導向設計篇

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Java SE 11認證最佳攻略 由初學邁向認證，從基礎進階達人 ✪解析原廠文件，切合認證範圍！ ✪對照範例程式，迅速了解內容！ ✪彙整教學經驗，重點一次掌握！ ✪圖解複雜觀念，學習輕鬆上手！ ✪演練擬真試題，掌握考試精髓！ ✪適用1Z0-819認證考試 【內容簡介】 Oracle公司繼Java 8推出1Z0-808與1Z0-809認證考試科目後，原本在次一個長期支援版本的Java 11也推出1Z0-815與1Z0-816的雙考試，但在2020/10/01之後，改以1Z0-819取代前兩者，成為現行要取得「Oracle Certified Professional: Java SE 11 Developer」證照的唯一考試科目。 雖然由兩科考試合併為一科，但考試範圍並未縮減。作者依據原廠公布的命題範圍，深入研讀相關文件，推出上、下兩冊認證指南，分別是： ・OCP：Java SE 11 Developer認證指南（上） － 物件導向設計篇 ・OCP：Java SE 11 Developer認證指南（下） － API剖析運用篇 上冊以基本語法入門，以至於了解封裝、繼承、多型等物件導向程式的撰寫方式與設計模式實作，也包含列舉型別、巢狀類別、lamdba表示式等特殊語法講授。 下冊聚焦Java API應用，包含泛型、集合物件與Map族群、基礎IO與NIO.2、執行緒與並行架構、JDBC連線資料庫、多國語系、lamdba進階與Stream類別族群、日期時間類別族群、標註型別、模組化應用、資訊安全等豐富主題。 兩冊並有依據原廠命題範圍而蒐錄編寫的擬真試題實戰與詳解，讀者可依自己的學習狀況分冊選讀，以掌握新版Java SE11的特色，並熟悉認證考試的重點。

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