Question

Write a program for the following.

Input a string (in lower case) and convert only the vowels to upper case.

Answer 1

import java.util.*;
class clTask
{
   void main()
   {
       String s1 = "", s2 ='";
       char ch1, ch2;
       Scanner sc = new Scanner(System.in);
       System.out.print(" Enter a sentence in lower case : ");
       s1 = sc.nextLine();
       for(int j= 0; j<= s1.length() – 1; j++)
       {
            ch1 = s1.charAt(j);
            if(ch1='a' || ch1='e' || ch1=' ' || ch1='o’ || ch1='n')
            {
                 ch2 = Character.toUpperCase(ch1);
                 s2 = s2 + ch2;
            }
            else
            {
                 s2 = s2 + ch1;
            }
       }
       System.out.println("Modified String is: " + s2);
   }
}

Output:

Enter a sentence in lower case : success is sweet only if you sweat for it

Modified String is : sUccEss Is swEEt Only If yOU swEAt fOr It