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从上篇文章中我们可以知道，java中的数据类型分为基本数据类型和引用数据类型。 Java的面向对象的原则是：数据和数据之上的操作要绑定在一起，这就是类，即引用数据类型。因此，类也是一种类型。Java本来可以不设置基本类型，只是为了提高操作效率，才设置了基本类型。基本类型和引用类型的最主要区别是：基...

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