static void printCombination ( int arr [ ] , int n , int r ) {
  int data [ ] = new int [ r ] ;
  combinationUtil ( arr , data , 0 , n - 1 , 0 , r ) ;
}

static void printCombination ( int arr [ ] , int n , int r ) { int data [ ] = new int [ r ] ; combinationUtil ( arr , data , 0 , n - 1 , 0 , r ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier) dimensions: (dimensions)) (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) dimensions: (dimensions) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (identifier))))) (expression_statement (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier) (decimal_integer_literal) (binary_expression left: (identifier) right: (decimal_integer_literal)) (decimal_integer_literal) (identifier))))))