JAVA虚拟机学习（一）内存区域

待我称王封你为后i 2022-01-12 15:25 314阅读 0赞

# 1.内存区域思维导图概览 #

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L1NoZWxkb25fX0xlZQ_size_16_color_FFFFFF_t_70]

# 2.内存区域组成介绍 #

## 2.1 程序计数器 ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L1NoZWxkb25fX0xlZQ_size_16_color_FFFFFF_t_70 1]

## 2.2 Java虚拟机栈 ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L1NoZWxkb25fX0xlZQ_size_16_color_FFFFFF_t_70 2]

## 2.3 本地方法栈 ##

![在这里插入图片描述][20190618071719934.png]

## 2.4 Java堆 ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L1NoZWxkb25fX0xlZQ_size_16_color_FFFFFF_t_70 3]

## 2.5 方法区 ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L1NoZWxkb25fX0xlZQ_size_16_color_FFFFFF_t_70 4]

## 2.6 运行时常量池 ##

![在这里插入图片描述][20190618071926680.png]

## 2.7 直接内存 ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L1NoZWxkb25fX0xlZQ_size_16_color_FFFFFF_t_70 5]

# 3. HotSpot虚拟机 #

## 3.1 对象的创建 ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L1NoZWxkb25fX0xlZQ_size_16_color_FFFFFF_t_70 6]

## 3.2 对象的内存布局 ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L1NoZWxkb25fX0xlZQ_size_16_color_FFFFFF_t_70 7]

## 3.3 对象的访问定位 ##

![在这里插入图片描述][20190618072426782.png]

# 4.OutofMemory异常 #

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L1NoZWxkb25fX0xlZQ_size_16_color_FFFFFF_t_70 8]  
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