practice coding. The coding was divided into different catalogs.
JAVA 修饰符 public, private 等的区别,[stackoverflow] (http://stackoverflow.com/questions/215497/in-java-whats-the-difference-between-public-default-protected-and-private)
修饰符 | 类内部 | 同个包(package) | 子类 | 其他范围 |
---|---|---|---|---|
public | Y | Y | Y | Y |
protected | Y | Y | Y | N |
无修饰符 | Y | Y | N or Y(见说明) | N |
private | Y | N | N | N |
[readme] (./stack/README.md)
- 熟悉基本操作
- 栈和递归
- 利用栈的窗口操作