700+ câu trắc nghiệm Ngôn ngữ lập trình C có đáp án - Phần 15

What is output? #include #include #define call(x,y) x##y void main() { int x = 5, y = 10, xy = 20; printf("%d", xy + call(x, y)); getch(); }

What is output? #include #include #if X == 3 #define Y 3 #else #define Y 5 #endif void main() { printf("Y = %d", Y); getch(); }

What is output? #include #include #define X 3 #if !X printf("C/C++"); #else printf("Java"); #endif void main() { getch(); }

What is output? #include #include #define ISEQUAL(X, Y) X == Y void main() { #if ISEQUAL(X, 0) printf("C/C++"); #else printf("Java"); #endif getch(); }

What is output? #include #include #define SQUARE(x) x*x void main() { int x; x = 36 / SQUARE(6); printf("%d", x); getch(); }

What is output? #include #include #define a 10 void main() { printf("%d ", a); #define a 50 printf("%d ", a); getch(); }

What is output? #include #include #define MAX 1000 void main() { int MAX = 100; printf("%d ", MAX); getch(); }

What is output? #include #include #define PRINT(i, limit) do \ { \ if (i++ < limit) \ { \ printf("laptrinhc++"); \ continue; \ } \ }while(1) void main() { PRINT(0, 3); getch(); }

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A ____ is a special member function used to initialize the data members of a class.

The default access for members of a class is ___ .

Member functions of a class are normally made ___ and data members of a class are normally made ___ .

Inheritance enables ___ which saves time in development , and encourages using previously proven and high quality software.

The three member access specifiers are ___, ___ and ___ .

A “has a” relationship between classes represents ___ and an “is a” relationship between classes represent ___ .

A pure virtual function is specified by placing ___ at the end of its prototype in the class definition.

A operator ___ is called as de-referencing operator.