public static void main ( String args [ ] ) {
  Scanner scan = new Scanner ( System . in ) ;
  String c = scan . next ( ) ;
  if ( c . equals ( "a" ) ) {
    System . out . println ( "vowel" ) ;
  }
  else if ( c . equals ( "i" ) ) {
    System . out . println ( "vowel" ) ;
  }
  else if ( c . equals ( "u" ) ) {
    System . out . println ( "vowel" ) ;
  }
  else if ( c . equals ( "e" ) ) {
    System . out . println ( "vowel" ) ;
  }
  else if ( c . equals ( "o" ) ) {
    System . out . println ( "vowel" ) ;
  }
  else {
    System . out . println ( "consonant" ) ;
  }
}

public static void main ( String args [ ] ) { Scanner scan = new Scanner ( System . in ) ; String c = scan . next ( ) ; if ( c . equals ( " a " ) ) { System . out . println ( " vowel " ) ; } else if ( c . equals ( " i " ) ) { System . out . println ( " vowel " ) ; } else if ( c . equals ( " u " ) ) { System . out . println ( " vowel " ) ; } else if ( c . equals ( " e " ) ) { System . out . println ( " vowel " ) ; } else if ( c . equals ( " o " ) ) { System . out . println ( " vowel " ) ; } else { System . out . println ( " consonant " ) ; } }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier) dimensions: (dimensions))) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list (field_access object: (identifier) field: (identifier)))))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (if_statement condition: (parenthesized_expression (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (string_literal)))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal))))) alternative: (if_statement condition: (parenthesized_expression (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (string_literal)))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal))))) alternative: (if_statement condition: (parenthesized_expression (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (string_literal)))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal))))) alternative: (if_statement condition: (parenthesized_expression (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (string_literal)))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal))))) alternative: (if_statement condition: (parenthesized_expression (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (string_literal)))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal))))) alternative: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal))))))))))))