static void findCombinations ( int n ) {
  int [ ] a = new int [ n ] ;
  findCombinationsUtil ( a , 0 , n , n ) ;
}

static void findCombinations ( int n ) { int [ ] a = new int [ n ] ; findCombinationsUtil ( a , 0 , n , n ) ; }
(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: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (identifier))))) (expression_statement (method_invocation name: (identifier) arguments: (argument_list (identifier) (decimal_integer_literal) (identifier) (identifier))))))