[函数调用](%E5%87%BD%E6%95%B0%E8%B0%83%E7%94%A8.md) [方法调用](%E6%96%B9%E6%B3%95%E8%B0%83%E7%94%A8.md) [构造函数](%E6%9E%84%E9%80%A0%E5%87%BD%E6%95%B0.md) [上下文](%E4%B8%8A%E4%B8%8B%E5%8D%88%E5%91%A2.md)