refine content of abstract

2026-04-01 17:53:26 +08:00 · 2020-06-12 20:30:35 +08:00
parent 9e1c3a9abd
commit 5894e8cde0
6 changed files with 116 additions and 35 deletions
--- a/basic_content/abstract/abstract.cpp
+++ b/basic_content/abstract/abstract.cpp
@@ -7,16 +7,12 @@
 * @date 2019-07-20
 */

-
-
-
 #include<iostream>
-
-
 using namespace std;
+
 class A {
 public:
-    virtual void f() = 0;
+    virtual void f() = 0;  // 纯虚函数
    void g(){ this->f(); }
    A(){}
 };