Question

String variables/Selection & loop

Write a complete Java program which prompts the user for a sentence on one line where each word is separated by one space, reads the line into one String variable using nextline(), converts the string into Ubbi dubbi and displays the translated sentence. Ubbi dubbi works by adding ub before each vowel sound in a syllable. For example, hello becomes hubellubo. The word speak has the vowel sound ea, so in Ubbi dubbi it becomes spubeak.

Modified Ubbi dubbi rules for this assignment

1. The vowels are a, e, i, o and u.

2. In the case that a word has 2 vowels following one another we only place ub in front of the 1st vowel. So zoom would be zuboom and not zuboubom. Similarly, steak would be stubeak and not stubeubak.

3. For words that are 1 character or 2 character long we add ub in front of each character whether they are vowels or consonants. (Example: I am becomes ubi ubaubm)

4. If e is the last character of the word, we don’t add ub in front of it. For example, the word one is translated as ubone and not ubonube.

5. Any other characters (punctuations, digits) are treated as non-vowels.

Assumptions

For this assignment you can assume that

1. There is exactly 1 space between words.

2. The entered string does not start nor end with a space.

3. All words are in lower case letters.

4. The sentence has at least one non-blank character

Answer 1

import java.util.Scanner;

public class UbbiDubbi {
  
public static void main(String[]args)
{
Scanner sc = new Scanner(System.in);
System.out.print("Enter a sentence: ");
String sentence = sc.nextLine().toLowerCase().trim();
  
String [] words = sentence.split(" ");
String newWord = "", newSen = "";
  
for(String word : words)
{
// if word length is 1 or 2
if(word.length() == 1 || word.length() == 2)
{
if(word.length() == 1)
{
newWord = "ub" + word;
}
else if(word.length() == 2)
{
newWord = "ub" + word.charAt(0) + "ub" + word.charAt(1);
}
}
// if first and last character of the word is a vowel
else if((word.charAt(0) == 'a' || word.charAt(0) == 'e' || word.charAt(0) == 'i'
|| word.charAt(0) == 'o' || word.charAt(0) == 'u')
&&
(word.charAt(word.length() - 1) == 'a' || word.charAt(word.length() - 1) == 'e' ||
word.charAt(word.length() - 1) == 'i' || word.charAt(word.length() - 1) == 'o' ||
word.charAt(word.length() - 1) == 'u')
)
{
newWord = "ub" + word;
}
// if only the last character of the word is a vowel
else if(word.charAt(word.length() - 1) == 'a' || word.charAt(word.length() - 1) == 'e' ||
word.charAt(word.length() - 1) == 'i' || word.charAt(word.length() - 1) == 'o' ||
word.charAt(word.length() - 1) == 'u')
{
for(int i = 0; i < word.length(); i++)
{
if(word.charAt(i) == 'a' || word.charAt(i) == 'e' || word.charAt(i) == 'i' || word.charAt(i) == 'o' ||
word.charAt(i) == 'u')
{
newWord = word.substring(0, i) + "ub" + word.substring(i);
break;
}
}
}
else
{
for(int i = 0; i < word.length(); i++)
{
// if there are 2 consecutive vowels in the word
if((word.charAt(i) == 'a' || word.charAt(i) == 'e' || word.charAt(i) == 'i' || word.charAt(i) == 'o' ||
word.charAt(i) == 'u')
&&
(word.charAt(i + 1) == 'a' || word.charAt(i + 1) == 'e' || word.charAt(i + 1) == 'i' ||
word.charAt(i + 1) == 'o' || word.charAt(i + 1) == 'u'))
{
newWord = word.substring(0, i) + "ub" + word.substring(i);
break;
}
else
{
newWord = word.replaceAll("(?i)([aeiou])", "ub$1");
}
}
}
newSen += newWord + " ";
}
System.out.println("New sentence: " + newSen.trim() + "\n");
}
}

********************************************************************* SCREENSHOT ******************************************************

Output 1:

run Enter a sentence: I am speaking New sentence: ubi ubaubm spubeaking BUILD SUCCESSFUL (total time: 6 seconds)

Output 2:

run: Enter a sentence: Please zoom on it! New sentence: plubease zuboom uboubn ubit! BUILD SUCCESSFUL (total time: 5 seconds)

Output 3:

run Enter a sentence: I just love steak New sentence: ubi jubust lubove stubeak BUILD SUCCESSFUL (total time: 11 seconds)

Output 4:

run: Enter a sentence: Onee rose New sentence: ubone rubose BUILD SUCCESSFUL (total time: 5 seconds)