static int isPrime ( int x ) {
  int s = ( int ) Math . sqrt ( x ) ;
  for ( int i = 2 ;
  i <= s ;
  i ++ ) if ( x % i == 0 ) return 0 ;
  return 1 ;
}

static int isPrime ( int x ) { int s = ( int ) Math . sqrt ( x ) ; for ( int i = 2 ; i <= s ; i ++ ) if ( x % i == 0 ) return 0 ; return 1 ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (cast_expression type: (integral_type) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (decimal_integer_literal))) consequence: (return_statement (decimal_integer_literal)))) (return_statement (decimal_integer_literal))))