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Snailclimb merged 1 commit into from
May 8, 2022
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Update java-basic-questions-01.md #1722

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2 changes: 1 addition & 1 deletion docs/java/basis/java-basic-questions-01.md
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Expand Up @@ -559,7 +559,7 @@ Java 中有 8 种基本数据类型，分别为：

### 基本类型和包装类型的区别？

- 包装类型不赋值就是 `null` ，而基本类型有默认值且不是 `null`。
- 成员变量包装类型不赋值就是 `null` ，而基本类型有默认值且不是 `null`。
- 包装类型可用于泛型，而基本类型不可以。
- 基本数据类型的局部变量存放在 Java 虚拟机栈中的局部变量表中，基本数据类型的成员变量（未被 `static` 修饰 ）存放在 Java 虚拟机的堆中。包装类型属于对象类型，我们知道几乎所有对象实例都存在于堆中。
- 相比于对象类型， 基本数据类型占用的空间非常小。
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