static boolean valid ( int [ ] dates ) {
  for ( int i = 0 ;
  i < dates . length ;
  i ++ ) {
    if ( dates [ i ] < 1000 || dates [ i ] > 2011 ) return false ;
    if ( i > 0 && dates [ i - 1 ] > dates [ i ] ) return false ;
  }
  return true ;
}

static boolean valid ( int [ ] dates ) { for ( int i = 0 ; i < dates . length ; i ++ ) { if ( dates [ i ] < 1000 || dates [ i ] > 2011 ) return false ; if ( i > 0 && dates [ i - 1 ] > dates [ i ] ) return false ; } return true ; }
(method_declaration (modifiers) type: (boolean_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (integral_type) dimensions: (dimensions)) 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: (field_access object: (identifier) field: (identifier))) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (decimal_integer_literal)) right: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (decimal_integer_literal)))) consequence: (return_statement (false))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (binary_expression left: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (array_access array: (identifier) index: (identifier))))) consequence: (return_statement (false))))) (return_statement (true))))