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Write a program in Java to enter a sentence and print only consonant words

  String word = in.next();   StringBuilder bul = new StringBuilder();   for (char arg : word.toLowerCase().toCharArray()) {   switch(arg)   {   case 'a': System.out.println("A");break;   case 'e': System.out.println("E");break;   case 'i': System.out.println("I");break;   case 'o': System.out.println("O");break;   case 'u': System.out.println("U");break;   default:   bul.append(arg);   }   }   System.out.println(bul); //String not Vowels