Practical Slip 7 - 2019 Pattern

C++:

A) Write a C++ program using class with data member char str[50] and function replace (char ch 1, char ch2) every occurrence of chl in str should be replaced with ch2 and return number of replacement it makes use default value for char ch2. (Use ch2 as Default Argument) [Marks 15]

B) Create a C++ class Vector with data members size & pointer to integer. The size of the vector varies so the memory should be allocated dynamically.

Perform following operations:

i. Accept a vector

ii. Display a vector in the format (10, 20, 30,....)

iii. Calculate union of two vectors.

(use parameterized constructor & copy constructor)  [25 M]

PHP:

A) Define an Interface which has method gmtokg() &kgtogm(). Create Class Convert which implements this interface & convert the value kg to gm and gm to kg. [15 M]

B) Consider the following relational database:

Project (P_Group No, Project_Tiltle)

Student (Seat_no, Name, Class, P_Group_No)

Write an AJAX script to accept projecttitle and display list of students those who are working in a particular project. [25 M]

Node JS:

A) Using Node.js create a web page to read two file names from user and append contents of first file into second file. [15 M]

B) Create a Node,js file that Select all records from the "customers" table, and display the result object on console. [25 M]