static int setBitNumber ( int n ) {
  int k = ( int ) ( Math . log ( n ) / Math . log ( 2 ) ) ;
  return ( int ) ( Math . pow ( 2 , k ) ) ;
}

static int setBitNumber ( int n ) { int k = ( int ) ( Math . log ( n ) / Math . log ( 2 ) ) ; return ( int ) ( Math . pow ( 2 , k ) ) ; }
(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: (parenthesized_expression (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal)))))))) (return_statement (cast_expression type: (integral_type) value: (parenthesized_expression (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal) (identifier))))))))