Any questions based on previous topics

Previous topics

• if-else
• loop          
• while
• for    
• array        

What is String ?

String

In computer programming, a String is a sequence of characters.

                or

A string is nothing but a character array.

A string is  stored in an array of type char ending with the null character '\0 '

How to take input a string as an array

while(1){

      scanf("%c",&a[i]);

      if(a[i]=='\0'){

           break;}

      i++;

 }

To scan:

char name[10];

scanf("%s",name );

 

To print:

 printf("%s", name );

Write a program to take a string from user as  input and print that string.

Write a program to find the length of a string.

Write a program to calculate the frequency of  a character in a string. ( Take character from user)

sample input:
 i
​ mritunjayvamsi

sample output:
 Frequency of i is : 2

Write a program to calculate no. of vowels and consonants in a string.

sample input:

  programmer

sample output:

  No of vowels: 3

  No of consonants:  7