private static boolean isValid ( int num ) {
  if ( num >= 1 && num <= 10000 ) {
    return true ;
  }
  else {
    return false ;
  }
}

private static boolean isValid ( int num ) { if ( num >= 1 && num <= 10000 ) { return true ; } else { return false ; } }
(method_declaration (modifiers) type: (boolean_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))) consequence: (block (return_statement (true))) alternative: (block (return_statement (false))))))