Question

Replace Vowels with next vowel(A with E,E with I,…U with A) in given sentence

Enter the Sentence:
quick brown fox jumped over the lazy dog.
Original Sentence:QUICK BROWN FOX JUMPED OVER THE LAZY DOG.
New Sentence:QAOCK BRUWN FUX JAMPID UVIR THI LEZY DUG.

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Code

import java.util.Scanner;
public class replaceVowelsWithAdjacentVowels
{
    public static void main()
    {
        int i,len=0;
        String sen="",newSen="";
        char ch= ' ';

        Scanner sc=new Scanner(System.in);
        System.out.println("Enter the Sentence:");
        sen=sc.nextLine();
        len=sen.length();
        if(sen.charAt(len-1)!='.')
        {
            sen=sen+".";
            len=len+1;
        }
        len=sen.length();
        sen=sen.toUpperCase();

        for(i=0;i< len;i++)
        {
            ch=sen.charAt(i);

            if(ch=='A')
            {
                newSen=newSen+'E';
            }
            else if(ch=='E')
            {
                newSen=newSen+'I';
            }
            else if(ch=='I')
            {
                newSen=newSen+'O';
            }
            else if(ch=='O')
            {
                newSen=newSen+'U';
            }
            else if(ch=='U')
            {
                newSen=newSen+'A';
            }
            else
            {
                newSen=newSen+ch;
            }
        }

        System.out.println("Original Sentence:"+sen);
        System.out.println("New Sentence:"+newSen);

    }
}