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Java编程入门指南
Java是一种面向对象的编程语言,具备简单、健壮、支持多线程与多态性等特点。 1、 编程环境包含JDK与JRE。 2、 JDK,即Java开发工具包,是Java程序开发的核心,必须重点掌握。它主要包括JRE和Java API(Java类库)。JRE是Java运行环境,由Java SE API和Java虚拟机组成 ...
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