Use StringBuilder to Mark Vowel - Java Language Basics

Java examples for Language Basics:StringBuilder

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Description

Use StringBuilder to Mark Vowel

Demo Code

import java.util.Scanner;

public class StringBuilderApp
{
  static Scanner sc = new Scanner(System.in);

  public static void main(String[] args)
  {/*from  w w w  .ja  v  a 2 s  .  c  o m*/
    System.out.print("Enter a string: ");
    String s = sc.nextLine();

    StringBuilder sb = new StringBuilder(s);

    int vowelCount = 0;

    for (int i = 0; i < s.length(); i++)
    {
      char c = s.charAt(i);
      if (    (c == 'A') || (c == 'a')
           || (c == 'E') || (c == 'e')
           || (c == 'I') || (c == 'i')
           || (c == 'O') || (c == 'o')
           || (c == 'U') || (c == 'u') )
      {
        sb.setCharAt(i, '*');
      }
    }
    System.out.println(s);
    System.out.println(sb.toString());
  }
}

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