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最新文章列表
Item 49: Prefer primitive types to boxed primitives
1. There are three major differences between primitives and boxed primitives. First, primitives have only their values, whereas boxed primitives have identities distinct from their values. Second, pr ...
在Java中什么是 Primitive 和 Reference 类型
Java虽然是个面向对象的语言,也声称“Everything is object”- 一切都是对象。但是,我觉得还不够纯粹和彻底,和ruby或者python比较一下就知道了。在Java中,数字和布尔类型就不被看做对象,而是被称为primitive类型。不过也不见的就不好,本文也不是想对此评论和分析。本文是想阐述Java的数据类型。
Java的数据类型
Java的数据类型分为两类:primitiv ...
已前的学习笔记java lesson 2
Java lesson 2
Primitive date type
Reference type
Micro
Tiger
Mustand
Java virtual machine
Windolw:Notepad
Editplus
Ultraedit,gvim
Linux:vi,vim,gedit.
Java 中的数据类型分为两大类:
1原生数据类型(primitive data type)
2引用 ...
Chapter 2. Everything Is an Object -- Thinking in Java
1) Although it is based on C++, Java is more of a “pure” object-oriented language. Both C++ and Java are hybrid languages, but in Java the designers felt that the hybridization was not as important a ...