static void sortedAdjacentDifferences ( int arr [ ] , int n ) {
  int [ ] ans = new int [ n ] ;
  Arrays . sort ( arr ) ;
  int l = 0 , r = n - 1 ;
  for ( int i = n - 1 ;
  i >= 0 ;
  i -- ) {
    if ( i % 2 == 1 ) {
      ans [ i ] = arr [ l ] ;
      l ++ ;
    }
    else {
      ans [ i ] = arr [ r ] ;
      r -- ;
    }
  }
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    System . out . print ( ans [ i ] + " " ) ;
  }
}

static void sortedAdjacentDifferences ( int arr [ ] , int n ) { int [ ] ans = new int [ n ] ; Arrays . sort ( arr ) ; int l = 0 , r = n - 1 ; for ( int i = n - 1 ; i >= 0 ; i -- ) { if ( i % 2 == 1 ) { ans [ i ] = arr [ l ] ; l ++ ; } else { ans [ i ] = arr [ r ] ; r -- ; } } for ( int i = 0 ; i < n ; i ++ ) { System . out . print ( ans [ i ] + " ▁ " ) ; } }
(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))) 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 object: (identifier) name: (identifier) arguments: (argument_list (identifier)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal)) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (identifier) right: (decimal_integer_literal)))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (identifier) right: (decimal_integer_literal)))) condition: (binary_expression left: (identifier) right: (decimal_integer_literal)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal))) consequence: (block (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (identifier)))) (expression_statement (update_expression (identifier)))) alternative: (block (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (identifier)))) (expression_statement (update_expression (identifier))))))) (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 (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (string_literal)))))))))