static void diagonalBoundarySum ( int arr [ ] [ ] ) {
  int requiredSum = 0 ;
  for ( int i = 0 ;
  i < N ;
  i ++ ) {
    for ( int j = 0 ;
    j < N ;
    j ++ ) {
      if ( i == j || ( i + j ) == N - 1 ) {
        requiredSum += arr [ i ] [ j ] ;
      }
      else if ( i == 0 || j == 0 || i == N - 1 || j == N - 1 ) {
        requiredSum += arr [ i ] [ j ] ;
      }
    }
  }
  System . out . println ( requiredSum ) ;
}

static void diagonalBoundarySum ( int arr [ ] [ ] ) { int requiredSum = 0 ; for ( int i = 0 ; i < N ; i ++ ) { for ( int j = 0 ; j < N ; j ++ ) { if ( i == j || ( i + j ) == N - 1 ) { requiredSum += arr [ i ] [ j ] ; } else if ( i == 0 || j == 0 || i == N - 1 || j == N - 1 ) { requiredSum += arr [ i ] [ j ] ; } } } System . out . println ( requiredSum ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier) dimensions: (dimensions))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) right: (binary_expression left: (identifier) right: (decimal_integer_literal))))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier))))) alternative: (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (binary_expression left: (identifier) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))) right: (binary_expression left: (identifier) right: (binary_expression left: (identifier) right: (decimal_integer_literal))))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier))))))))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier))))))