public static void sieve ( ) {
  boolean isPrime [ ] = new boolean [ MAX ] ;
  for ( int i = 0 ;
  i < MAX ;
  i ++ ) isPrime [ i ] = true ;
  for ( int p = 2 ;
  p * p < MAX ;
  p ++ ) {
    if ( isPrime [ p ] == true ) {
      for ( int i = p * 2 ;
      i < MAX ;
      i += p ) isPrime [ i ] = false ;
    }
  }
  for ( int p = 2 ;
  p < MAX ;
  p ++ ) if ( isPrime [ p ] == true ) primes . add ( p ) ;
}

public static void sieve ( ) { boolean isPrime [ ] = new boolean [ MAX ] ; for ( int i = 0 ; i < MAX ; i ++ ) isPrime [ i ] = true ; for ( int p = 2 ; p * p < MAX ; p ++ ) { if ( isPrime [ p ] == true ) { for ( int i = p * 2 ; i < MAX ; i += p ) isPrime [ i ] = false ; } } for ( int p = 2 ; p < MAX ; p ++ ) if ( isPrime [ p ] == true ) primes . add ( p ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters) body: (block (local_variable_declaration type: (boolean_type) declarator: (variable_declarator name: (identifier) dimensions: (dimensions) value: (array_creation_expression type: (boolean_type) dimensions: (dimensions_expr (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: (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: (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: (true))) 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: (false)))))))) (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: (true))) consequence: (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))))))