Java 笔记

 

https://www.youtube.com/watch?v=NHrsLjhjmi4&list=PLsyeobzWxl7pe_IiTfNyr55kwJPWbgxB5&index=4

 

 

 

pdf 推荐

https://github.com/0voice/expert_readed_books/blob/master/%E8%BD%AF%E4%BB%B6%E6%8A%80%E6%9C%AF/Java%E5%9F%BA%E7%A1%80%E6%95%99%E7%A8%8B.pdf

 

 

 

1.Java 运行原理

 JDK包含JRE，JRE包含JVM

 

 

2. 变量(处理数据)

https://www.runoob.com/java/java-variable-types.html

 

 

3. 数据类型

https://www.runoob.com/java/java-basic-datatypes.html

 

 

4. 类型转换

http://c.biancheng.net/view/796.html

 

 

5. 赋值运算符

https://www.runoob.com/java/java-operators.html

 

 

6. 关系操作符

http://c.biancheng.net/view/778.html

 

7.逻辑运算符

http://c.biancheng.net/view/777.html

 

8. if else

https://www.runoob.com/java/java-if-else-switch.html

 

9. 三元运算

https://www.w3cschool.cn/java/java-ternary-operator.html

 

10. switch

https://www.runoob.com/java/java-switch-case.html

 

11.  for loop

https://www.runoob.com/java/java-loop.html

 

 

12. while

https://www.runoob.com/java/java-loop.html

 

 

 

13.  Class

 

 

 

14. 对象实例化

 

  

15. JDK JER 

 

 

 

16. 方法

https://www.runoob.com/java/java-methods.html

 

 

17. 方法重载

不同的数量和类型

 

 

18. 堆栈和堆

 

 

 

19. 数组

https://www.runoob.com/java/java-array.html

 多维数组

 

 

 

 

 

 

20. string

 

 

 

21. 静态块

只执行一次

 

 

22. 封装

 

 

23. this 关键字

 

 

24.  构造函数