static int countSetBits ( int n ) {
  int m = getLeftmostBit ( n ) ;
  return countSetBits ( n , m ) ;
}

static int countSetBits ( int n ) { int m = getLeftmostBit ( n ) ; return countSetBits ( n , m ) ; }
(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: (method_invocation name: (identifier) arguments: (argument_list (identifier))))) (return_statement (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier))))))