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期末复习(day3)
2022-07-03 05:27:00 【天真小巫】
2022.6.22DAY584
今日看了《数据结构》中栈和队列的最后一部分内容。栈通常应用于递归中,然后是中缀表达式转化为后缀表达式的规则:从左到右遍历中缀表达式的每一个数字和符号,若是数字就输出,即成为后缀表达式的一部分;若是符号,则判断其与栈顶符号的优先级,是右括号或优先级不高于栈顶符号则栈顶元素依次出栈并输出,并将当前符号进栈,一直到最终输出后缀表达式。复习了《离散数学》第一章的最后一部分内容,在看习题的时候,发现之前没做出来的还是不会做,听老师说考试的试题难度小于作业难度(起码不超过作业难度)。最后是《数字电路与逻辑设计》,做了一份综合性的习题,发现不会做的都是后面的知识点。在这关键复习时刻让我分心的莫过于学习通的课程了,前期没安排好,现在只能自己刷了。
阅读:《大话数据结构》120页
英语:读了10分钟英语
编程:
public class Fu {
private void show(){
System.out.println("Fu中show()方法被调用");
}
public void method(){
System.out.println("Fu中method()方法被调用");
}
}
public class Zi extends Fu
{
public void method(){
System.out.println("Fu中方法别调用");
}
}
小结:私有方法不能被重写(父类私有成员子类不能被继承)
子类方法访问 权限不能更低(public >默认>私有)
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