static void sieve ( int n ) {
  boolean [ ] prime = new boolean [ n + 1 ] ;
  for ( int p = 2 ;
  p * p <= n ;
  p ++ ) {
    if ( prime [ p ] == false ) {
      for ( int i = p * 2 ;
      i <= n ;
      i += p ) prime [ i ] = true ;
    }
  }
  for ( int p = 2 ;
  p <= n ;
  p ++ ) if ( prime [ p ] == false ) allPrimes . add ( p ) ;
}

static void sieve ( int n ) { boolean [ ] prime = new boolean [ n + 1 ] ; for ( int p = 2 ; p * p <= n ; p ++ ) { if ( prime [ p ] == false ) { for ( int i = p * 2 ; i <= n ; i += p ) prime [ i ] = true ; } } for ( int p = 2 ; p <= n ; p ++ ) if ( prime [ p ] == false ) allPrimes . add ( p ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (array_type element: (boolean_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_creation_expression type: (boolean_type) dimensions: (dimensions_expr (binary_expression left: (identifier) right: (decimal_integer_literal)))))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (identifier)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (false))) consequence: (block (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (identifier) right: (decimal_integer_literal)))) condition: (binary_expression left: (identifier) right: (identifier)) update: (assignment_expression left: (identifier) right: (identifier)) body: (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (true)))))))) (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: (array_access array: (identifier) index: (identifier)) right: (false))) consequence: (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))))))