18)struct base {int a,b; base(); int virtual function1(); } struct derv1:base{ int b,c,d; derv1() int virtual function1(); } struct derv2 : base {int a,e; } base::base() { a=2;b=3; } derv1::derv1(){ b=5; c=10;d=11;} base::function1() {return(100); } derv1::function1() { return(200); } main() base ba; derv1 d1,d2; printf("%d %d",d1.a,d1.b) o/p is a)a=2;b=3; b)a=3; b=2; c)a=5; b=10; d)none 19) for the above program answer the following q's main() base da; derv1 d1; derv2 d2; printf("%d %d %d",da.function1(),d1.function1(),d2.function1 ()); o/p is a)100,200,200; b)200,100,200; c)200,200,100; d)none 20)struct { int x; int y; }abc; you can not access x by the following 1)abc-->x; 2)abc[0]-->x; abc.x; (abc)-->x; a)1,2,3 b)2&3 c)1&2 d)1,3,4

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What is a method in c?

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what is the difference between postfix and prefix unary increment operators?

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How many data structures are there in c?

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what is the syallabus of computer science students in group- 1?

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What is array of pointers to string?

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what would be the output of the follwing struct st { char name[20]; int i; float f; }; main() { struct st emp = {"forum"}; printf("%d %f",emp.i,emp.f); }

4 Answers  

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class foo { public: static int func(const char*& p) const; }; This is illegal, why?

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Create a structure to specify data on students as given below: Roll number, Name, Department, Course, and Year of joining. Assume that there are not more than 450 students in the collage. (a) Write a function to print the names of all students who joined in the last 3 years. (b) Write a function to print the data of a student whose roll numbers are divisible by 4.

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what will be the out put. #include<stdio.h> void main() { printf("Output:"); printf(1+"vikashpatel"); }//output: ikashpatel

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Explain can the sizeof operator be used to tell the size of an array passed to a function?

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Explain void pointer?

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