java program to remove vowels from string using stringbuffer class

1// java program to remove vowels from a string using StringBuffer class
2import java.util.Arrays;
3import java.util.List;
4public class RemoveVowels
5{
6   static String removeVowel(String strVowel)
7   {
8      Character[] vowel = {'a', 'e', 'i', 'o', 'u','A','E','I','O','U'};
9      List<Character> li = Arrays.asList(vowel);
10      StringBuffer strBuffer = new StringBuffer(strVowel);
11      for(int a = 0; a < strBuffer.length(); a++)
12      {
13         if(li.contains(strBuffer.charAt(a)))
14         {
15            strBuffer.replace(a, a + 1, "") ;
16            a--;
17         }
18      }
19      return strBuffer.toString();
20   }
21   public static void main(String[] args)
22   {
23      String strInput = "Hello World Java";
24      System.out.println(removeVowel(strInput));
25   }
26}