Java program to remove vowels from a string.

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
public class RemoveVowels
{
 public static void main(String args[]) throws IOException {
   BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
   String str1, str2 = "";
   char ch, ch1;
   int i, len;
   System.out.println("Enter the Sentence:");
   str1 = br.readLine();
   len = str1.length();
   for (i = 0; i < len; i++) {
    ch = str1.charAt(i);
    ch1 = Character.toLowerCase(ch);
    switch (ch1) {
     case 'a':
     case 'e':
     case 'i':
     case 'o':
     case 'u':
      break;
     default:
      str2 = str2 + ch;
    }                           //switch ends
   }                            //for ends
   System.out.println("Modified string without vowels:" + str2);
  }                            //method ends
}

Output:
Enter the Sentence:
umesh kumar kushwaha
Modified string without vowels:msh kmr kshwh