[class类](class%E7%B1%BB.md) [访问字段](%E8%AE%BF%E9%97%AE%E5%AD%97%E6%AE%B5.md) [调用方法](%E8%B0%83%E7%94%A8%E6%96%B9%E6%B3%95.md) [调用构造方法](%E8%B0%83%E7%94%A8%E6%9E%84%E9%80%A0%E6%96%B9%E6%B3%95.md) [获取继承关系](%E8%8E%B7%E5%8F%96%E7%BB%A7%E6%89%BF%E5%85%B3%E7%B3%BB.md) [注解](%E6%B3%A8%E8%A7%A3.md) [泛型](%E6%B3%9B%E5%9E%8B.md)