From 4b2d43edf4549fec1d265f0ae4787b7efde03722 Mon Sep 17 00:00:00 2001 From: Joe <736777445@qq.com> Date: Sun, 2 Feb 2020 19:54:24 +0800 Subject: [PATCH] Update 03-Objects-Everywhere.md #367 --- docs/book/03-Objects-Everywhere.md | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/docs/book/03-Objects-Everywhere.md b/docs/book/03-Objects-Everywhere.md index 95cf389..e1ab128 100644 --- a/docs/book/03-Objects-Everywhere.md +++ b/docs/book/03-Objects-Everywhere.md @@ -82,11 +82,18 @@ Java 确定了每种基本类型的内存占用大小。 这些大小不会像 char c = 'x'; Character ch = new Character(c); ``` -或者你也可以使用下面的形式,基本类型自动转换成包装类型(自动装箱): +或者你也可以使用下面的形式: ```java Character ch = new Character('x'); ``` + +基本类型自动转换成包装类型(自动装箱) + +```java +Character ch = 'x'; +``` + 相对的,包装类型转化为基本类型(自动拆箱): ```java