static ArrayList < Integer > gcd ( int a , int b ) {
  for ( int i = 101 ;
  i > 0 ;
  i -- ) {
    if ( a % i == 0 ) {
      if ( b % i == 0 ) {
        train . add ( i ) ;
      }
    }
  }
  return train ;
}

static ArrayList < Integer > gcd ( int a , int b ) { for ( int i = 101 ; i > 0 ; i -- ) { if ( a % i == 0 ) { if ( b % i == 0 ) { train . add ( i ) ; } } } return train ; }
(method_declaration (modifiers) type: (generic_type (type_identifier) (type_arguments (type_identifier))) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (decimal_integer_literal)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (decimal_integer_literal))) consequence: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (decimal_integer_literal))) consequence: (block (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))))))))) (return_statement (identifier))))