add code

Student.cpp

@@ -0,0 +1,50 @@
+// Copyright (c) 2023 Xi Xu
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "Student.h"
+#include <ostream>
+#include <iomanip>
+#include <cstring>
+
+Student::Student() {}
+Student::Student(int i_no, char *i_name, bool i_gender, int i_age, char *i_major, int i_cls, double i_score)
+{
+    no = i_no, strcpy(name, i_name), is_male = i_gender, age = i_age, strcpy(major, i_major), cls = i_cls, score = i_score;
+}
+
+void Student::setno(int i_no) { no = i_no; }
+void Student::setname(char *i_name) { strcpy(name, i_name); }
+void Student::setgender(bool i_gender) { is_male = i_gender; }
+void Student::setage(int i_age) { age = i_age; }
+void Student::setmajor(char *i_major) { strcpy(major, i_major); }
+void Student::setcls(int i_cls) { cls = i_cls; }
+void Student::setscore(double i_score) { score = i_score; }
+
+int Student::getno() const { return no; }
+char *Student::getname() const
+{
+    char *ret = new char[MAXN];
+    strcpy(ret, name);
+    return ret;
+}
+bool Student::getgender() const { return is_male; }
+int Student::getage() const { return age; }
+char *Student::getmajor() const
+{
+    char *ret = new char[MAXN];
+    strcpy(ret, major);
+    return ret;
+}
+int Student::getcls() const { return cls; }
+double Student::getscore() const { return score; }
+
+std::ostream &operator<<(std::ostream &out, const Student &s)
+{
+    out << std::setw(4) << s.no << std::setw(16) << s.name;
+    if (s.is_male)
+        out << "    male";
+    else
+        out << "  female";
+    out << std::setw(5) << s.age << std::setw(16) << s.major << std::setw(7) << s.cls << std::setw(7) << s.score;
+    return out;
+}