java——继承与多态——内部类001

亦凉 2024-04-01 18:44 85阅读 0赞

**内部类的概念与分类：**

![25f5e0e746013d2b52f576717d0214db.png][]

**成员内部类的定义：**

![72be4e59685bb1616ce6631d514146b3.png][]

![86178945e0655d4925717a53b26c89f2.png][]

![466c730aaaf4fe7b4d864142a935286b.png][]

**成员内部类的使用：**

![a49e714ad5062261ef6aeda01513918c.png][]

![1901e7f5a3fd60d705bb26c29b5a5d4b.png][]

![a3d5cbcd2c333a9701fe209ccaca2937.png][]

![7ea1df0d1b425b06ee5ef3388fcbb0e2.png][]

**内部类的同名变量访问：**

![27679574c03c91ed4a165d8dccfe2d66.png][]

![6d8d3c39c40f0f367b2f9a3ad46712a9.png][]

**局部内部类定义：**

![45215f3826f17ae7e2465b244664e0e8.png][]

![557622b71deaf632b72a51c1e97bc29f.png][]

![0b9bfdf48a009e47bc5b5f2a3a3bfa75.png][]

**局部内部类的final问题：**

![94701a12c7e3b320ce522f4b6efe7462.png][]

**匿名内部类：**

![4460ac2ee41b61cb64496351cff21232.png][]

PS：此处没有接口的实现类，省略了一个类的单独定义。

**匿名内部类的注意事项：**

![fac23c0c9ad81e8d0f481d0f09b24817.png][]

**类作为成员变量类型：**

![d5a0f4eecd27689ca10bc7eccfa6c785.png][]

**接口作为成员变量类型：**

![eefd1ef9aea3b4efd843fbfd118622de.png][]

**接口作为方法的参数和或返回值：**

![2304c65bd9d5c54736ceb0f0f58f7d82.png][]

![4dfac1d835e3f4f3a922e183f9ad17b3.png][]

[25f5e0e746013d2b52f576717d0214db.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/01/1deb99f9c9314a1ab64fe93d32dd8a3d.png
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[86178945e0655d4925717a53b26c89f2.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/01/be7300ad214d42f0b6970f0d80dbd47c.png
[466c730aaaf4fe7b4d864142a935286b.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/01/e0e11ceb8c1a499ca6ae77e49616533a.png
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[27679574c03c91ed4a165d8dccfe2d66.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/01/caa80e783b174b3d87f0fe7ee7349ad4.png
[6d8d3c39c40f0f367b2f9a3ad46712a9.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/01/da474af245d544fc803b0bd46b836e92.png
[45215f3826f17ae7e2465b244664e0e8.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/01/2d49632f299945bb825ec47b4217620a.png
[557622b71deaf632b72a51c1e97bc29f.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/01/1e453a4a2d88448fb6582acdc2aaaa41.png
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[d5a0f4eecd27689ca10bc7eccfa6c785.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/01/70bb31fe5aa7480094b44e23fe5b260e.png
[eefd1ef9aea3b4efd843fbfd118622de.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/01/8082da4cd69c430f933c833ae4cc305c.png
[2304c65bd9d5c54736ceb0f0f58f7d82.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/01/32f7e6a2085947e8b885b93849cd5692.png
[4dfac1d835e3f4f3a922e183f9ad17b3.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/01/534df4231d9d4569b21b566092016572.png