added new examples

1 files changed, 43 insertions, 0 deletions

diff --git a/Big4_and_inheritance/Students/User.cpp b/Big4_and_inheritance/Students/User.cpp
new file mode 100644
index 0000000..93d34b6
--- /dev/null
+++ b/Big4_and_inheritance/Students/User.cpp
@@ -0,0 +1,43 @@
+#include "User.h"
+
+/*
+User::User(): name(nullptr),age(10)
+{
+
+}
+*/
+
+User::User(const char* name, int age)
+{
+	this->name = new char[strlen(name) + 1];
+	strcpy(this->name, name);
+	this->age = age;
+}
+User::User(const User& other)
+{
+	cout << "Copy contr of user" << endl;
+	CopyFrom(other);
+}
+User& User::operator=(const User& other)
+{
+	if (this != &other)
+	{
+		Free();
+		CopyFrom(other);
+	}
+	return *this;
+}
+User::~User()
+{
+	Free();
+}
+void User::CopyFrom(const User& other)
+{
+	name = new char[strlen(other.name) + 1];
+	strcpy(name, other.name);
+	age = other.age;
+}
+void User::Free()
+{
+	delete[] name;
+}
\ No newline at end of file