java基础面试选择题

回答: Java基础面试选择题可以包括以下几个方面的内容。首先，面向对象的特征有封装、继承和多态。\[2\]其次，Java中有8种基本数据类型，分为整型、浮点型、字符型和布尔类型。\[2\]此外，JNI的步骤包括在Java类中编写带有native声明的方法、使用javac命令编译Java类、使用javah命令生成头文件、使用C/C++实现本地方法、生成动态连接库以及执行Java程序。\[3\]希望这些信息对你有帮助，祝你面试顺利！
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