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zengjingfang avatar zengjingfang commented on July 28, 2024

第3章 内存优化

3.1 内存管理机制

  • 创建 按照父类到子类的static、成员变量 、代码行 的顺序进行创建对象，分配内存空间
  • 应用 对象被其他一个对象“强引用”，或者显式的声明其他引用
  • 不可见 对象的集合中找不到直接或者间接的引用，可能被某些静态变量持有
  • 不可达 不再被任何对象持有
  • 回收 垃圾回收器做好回收准备，此刻会回调finalize方法
  • 终结 执行完finalize方法，等待回收
  • 重新分配 进行回收，并重新分配空间，对象彻底消失

P 82: 访问本地变量由于访问类中的变量？

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