Write a menu driven program which performs the following operations on strings. Write a separate function for each option. Use pointers
i. Copy one string to another
ii. Concatenate two strings
iii.Count number of occurrences of a character in the string.
iv. Replace all occurrences of a character by another.
Create a structure student (roll number, name, marks of 3 subjects, percentage). Accept details of n students and write a menu driven program to perform the following operations. Write separate functions for the different options.
iii) Display all student details
iv) Display all student having percentage > _____
v) Display student having maximum percentage
Create a structure employee (id, name, salary). Accept details of n employees and write a menu driven program to perform the following operations. Write separate functions for the different options.
i) Search by name
ii) Search by id
iii) Display all
iv) Display all employees having salary > _____
vi) Display employee having maximum salary
Write a program which accepts a string and an integer (0 or 1) as command line
arguments. If the integer entered is 0, sort the string alphabetically in the
ascending order and if it is 1, sort it in the descending order. If the user
enters invalid number of arguments, display appropriate message. (Hint â€“ use
Write a JAVA program to design a screen with two text boxes and start button.Clicking on start should start two threads printing 1 to 100 in two text boxes.