private static int calculateValue ( int i , int j , int [ ] [ ] arr ) {
  if ( arr [ i ] [ j ] != 0 ) {
    return arr [ i ] [ j ] ;
  }
  int result = calculateValue ( i - 1 , j , arr ) + calculateValue ( i , j - 1 , arr ) ;
  arr [ i ] [ j ] = result ;
  return result ;
}

private static int calculateValue ( int i , int j , int [ ] [ ] arr ) { if ( arr [ i ] [ j ] != 0 ) { return arr [ i ] [ j ] ; } int result = calculateValue ( i - 1 , j , arr ) + calculateValue ( i , j - 1 , arr ) ; arr [ i ] [ j ] = result ; return result ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (array_type element: (integral_type) dimensions: (dimensions)) name: (identifier))) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)) right: (decimal_integer_literal))) consequence: (block (return_statement (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (method_invocation name: (identifier) arguments: (argument_list (binary_expression left: (identifier) right: (decimal_integer_literal)) (identifier) (identifier))) right: (method_invocation name: (identifier) arguments: (argument_list (identifier) (binary_expression left: (identifier) right: (decimal_integer_literal)) (identifier)))))) (expression_statement (assignment_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)) right: (identifier))) (return_statement (identifier))))