Ichma ich joylashgan if shartli operatori, switch tanlash operatori

OB'EKTGA YO’NALTIRILGAN FIKRLASH. STRING SINFI OBYEKTLAR MASSIVI. STRING SINFI

111. Quyidagi dastur qanday natijani chop etadi?

string s("abc");
s.append("welcome");
cout << s << endl;
112. Quyidagi dastur qanday natijani chop etadi?
string s("abc");
s.append("welcome", 0, 3);
cout << s << endl;
113. Quyidagi dastur qanday natijani chop etadi?
string s("abc");
s.append("welcome", 3);
cout << s << endl;
114. Quyidagi dastur qanday natijani chop etadi?
string s("abc");
s.append(3, 'w');
cout << s << endl;
116. Quyidagi dastur qanday natijani chop etadi?
string s("abc");
s.assign("welcome", 3);
cout << s << endl;
117. Quyidagi dastur qanday natijani chop etadi?
string s("abc");
s.assign(3, 'w');
cout << s << endl;
118. Quyidagi dastur qanday natijani chop etadi?
string s("abcd");
cout << s.at(1) << endl;
119. Quyidagi dastur qanday natijani chop etadi?
string s("abcd");
cout << s.length() << endl;
120. Quyidagi dastur qanday natijani chop etadi?
string s("abcd");
cout << s.size() << endl;
121. Quyidagi dastur qanday natijani chop etadi?
string s("abcd");
s.clear();
cout << s.length() << endl;
122. Quyidagi dastur qanday natijani chop etadi?
string s("abcdefg");
cout << s.compare("abb") << endl;
123. Quyidagi dastur qanday natijani chop etadi?
string s("abcdefg");
s.erase(2, 3);
cout << s << endl;
124. Quyidagi dastur qanday natijani chop etadi?
string s("abcdefg");
char s1[15] = "welcome";
s.copy(s1, 3, 0);
cout << s1 << endl;
125. Quyidagi dastur qanday natijani chop etadi?
string s("abcdefg");
cout << s.substr(1, 3);
126. Quyidagi dastur qanday natijani chop etadi?
string s("abcdefg");
cout << s.substr(3);
127. Quyidagi dastur qanday natijani chop etadi?
string s("abcdefg");
string s1("welcome");
s.swap(s1);
cout << s << endl;
128. Quyidagi dastur qanday natijani chop etadi?
string s("abcdefag");
cout << s.find("def") << " " << s.find("a", 3);
129. Quyidagi dastur qanday natijani chop etadi?
string s("abcdefg");
s.replace(1, 2, "wel");
cout << s << endl;
130. Quyidagi dastur qanday natijani chop etadi?
string s("abcdefg");
s.insert(1, "wel");
cout << s << endl;
131. Quyidagi dastur qanday natijani chop etadi?
string s("abcdefg");
s.insert(1, 3, 'w');
cout << s << endl;
132. Quyidagi keltirilgan izohlardan qaysi biri to’g’ri?

1. 
   C++ dasturlash tili bizga obyekt turidagi argumentni funksiyaga qiymat orqali yuborishga ruxsat beradi.
   
2. 
   C++ dasturlash tili bizga obyekt turidagi argumentni funksiyaga havola orqali yuborishga ruxsat beradi.
   
3. 
   Argumentni havola orqali yuborish hotirani tejaydi.
   
4. 
   Funksiyaga o`zarmas parametrli havola yuborganingizda ,funksiya qiymati o’zgarmaydi.
   

133. Parametr sifatida obyektni havola orqali murojaat qilganda_____ amalga oshadi.
10.24.Quyidagi dastur kodi qanday natijani chop etadi?
#include
using namespace std;
class Count
{ public:
int count;
Count(int c)
{count = c;
} Count()
{ count = 0;
}
};void increment(Count c, int times)
{
c.count++;
times++;
} int main()
{ Count myCount;
int times = 0;
for (int i = 0; i < 100; i++)
increment(myCount, times);
cout << "myCount.count is " << myCount.count;
cout << " times is " << times;
return 0;
}
134. Quyidagi dastur kodi qanday natijani chop etadi?
#include
using namespace std;
class Count
{
public:
int count;
Count(int c)
{ count = c;
} Count()
{
count = 0;
}
}; void increment(Count &c, int &n)
{ c.count++;
n++;
} int main()
{ Count myCount;
int times = 0;
for (int i = 0; i < 100; i++)
increment(myCount, times);
cout << "myCount.count is " << myCount.count;
cout << " times is " << times;
return 0;
}
135. Quyidagi dastur kodi qanday natijani chop etadi?
#include
using namespace std;
class Count
{ public:
int count;
Count(int c)
{ count = c;
} Count()
{ count = 0;
}};
void increment(Count c, int &n)
{ c.count++;
n++;
} int main()
{ Count myCount;
int times = 0;
for (int i = 0; i < 100; i++)
increment(myCount, times);
cout << "myCount.count is " << myCount.count;
cout << " times is " << times;
return 0;
}
136. Quyidagi dastur kodini tahlil qiling:
#include
using namespace std;
class A
{ public:
A();
double getNumber();
private:
double number;
}; A::A()
{ number = 1;
} double A::getNumber()
{return number;
} void printA(const A &a)
{ cout << "The numberr is " << a.getNumber() << endl;
}int main ()
{ A myObject;
printA(myObject);

return 0;

}
137. Quyidagi dastur kodini tahlil qiling:
#include
#include
using namespace std;
class Name
{
public:
string firstName;
char mi;
string lastName;
Name(string firstName1, char mi1, string lastName1)
{
firstName = firstName1;
mi = mi1;
lastName = lastName1;
}
};
int main()
{
string firstName("John");
Name name(firstName, 'F', "Smith");
firstName = "Peter";
name.lastName = "Pan";
cout << name.firstName << " " << name.lastName << endl;
}
138. Quyidagi dastur kodini tahlil qiling:
#include
#include
using namespace std;
class Name
{ public:
string firstName;
char mi;
string lastName;
Name(string firstName1, char mi1, string lastName1)
{ firstName = firstName1;
mi = mi1;
lastName = lastName1; } };
int main()
{ string firstName("John");
Name name(firstName, 'F', "Smith");
firstName = "Peter";
name.lastName = "Pan";
cout << name.firstName << " " << name.lastName << endl;
139. Quyidagi dastur kodini tahlil qiling:
#include
#include
using namespace std;
class MyDate
{
public:
int year;
int month;
int day;
MyDate()
{
year = 2003;
month = 2;
day = 3;
}
MyDate(int year1, int month1, int day1)
{
year = year1;
month = month1;
day = day1;
}
};
class Name
{
public:
string firstName;
char mi;
string lastName;
MyDate birthDate;
Name(string firstName1, char mi1, string lastName1, MyDate birthDate1)
{
firstName = firstName1;
mi = mi1;
lastName = lastName1;
birthDate = birthDate1;
}
};
int main()
{
MyDate birthDate(1990, 3, 4);
Name name("John", 'F', "Smith", birthDate);
birthDate = MyDate(1991, 1, 2);
birthDate.year = 1992;
cout << name.birthDate.year << endl;
}
140. Quyidagi dastur kodini tahlil qiling:
#include
#include
using namespace std;
class MyDate
{
public:
int year;
int month;
int day;
MyDate()
{
year = 2003;
month = 2;
day = 3;
}
MyDate(int year1, int month1, int day1)
{
year = year1;
month = month1;
day = day1;
}
};
class Name
{
public:
string firstName;
char mi;
string lastName;
MyDate birthDate;
Name(string firstName1, char mi1, string lastName1, MyDate& birthDate1)
{
firstName = firstName1;
mi = mi1;
lastName = lastName1;
birthDate = birthDate1;
}
};
int main()
{
MyDate birthDate(1990, 3, 4);
Name name("John", 'F', "Smith", birthDate);
birthDate.year = 1991;
birthDate.year = 1992;
cout << name.birthDate.year << endl;
}
141. Quyidagi dastur kodini tahlil qiling:
#include
#include
using namespace std;
class MyDate
{ public:
int year;
int month;
int day;
MyDate()
{ year = 2003;
month = 2;
day = 3;
}
MyDate(int year1, int month1, int day1)
{
year = year1; month = month1;
day = day1;
}
};
class Name
{
public:
string firstName;
char mi;
string lastName;
MyDate birthDate;

Name(string firstName1, char mi1, string lastName1, MyDate birthDate1)

{
firstName = firstName1;
mi = mi1;
lastName = lastName1;
birthDate = birthDate1;
}
};
int main()
{
MyDate birthDate(1990, 3, 4);
Name name("John", 'F', "Smith", birthDate);
birthDate = MyDate(1991, 1, 2);
birthDate.year = 1992;
cout << name.birthDate.year << endl;
}
142. Quyidagi dastur kodini tahlil qiling:
#include
#include
using namespace std;
class MyDate
{
public:
int year;
int month;
int day;

MyDate()
{

year = 2003;
month = 2;
day = 3;
}
MyDate(int year1, int month1, int day1)
{
year = year1;
month = month1;
day = day1;
}
};
class Name
{
public:
string firstName;
char mi;
string lastName;
MyDate birthDate;
Name(string firstName1, char mi1, string lastName1, MyDate& birthDate1)
{
firstName = firstName1;
mi = mi1;
lastName = lastName1;
birthDate = birthDate1;
}
};
int main()
{
MyDate birthDate(1990, 3, 4);
Name name("John", 'F', "Smith", birthDate);
birthDate.year = 1991;
birthDate.year = 1992;
cout << name.birthDate.year << endl;
}
143. Circle x [10] nomli o’zgaruvchi e’lon qilingan bo’lsa , quyidagi javoblarning qaysi biri to’g’ri?
144. Barcha sinflar uchun umumiy bo'lgan o'zgaruvchilar _______dir.
145. Quyidagi funksiyalarning qays biriga static kalit so’zini qo’shib yozilishi kerak?
#include
using namespace std;

class Test

{
public:
? int square(int n)
{
return n * n;
}
? int getAge()
{
return age;
}
private:
int age;
};
146. Quyidagi kodda qanday hatolik bor?
#include
using namespace std;
class Test
{
public:
static int square(int n)
{
return n * n;
}
int getAge()
{
return age;
}
private:
int age;
};
int main()
{
cout << Test.square(4);
}
147. Quyidagi kodda qanday hatolik bor?
#include
using namespace std;
class Test
{
public:
static int square(int n)
{
return n * n;
}
int getAge()
{
return age;
}
static int k = 5;
private:
int age;
};
int main()
{
cout << Test::square(4);
}
148. Alohida obyektga murojaat qiluvchi funksiya______ deyiladi.
149. Quyidagi javoblarning qaysi biri to’g’ri?