static int distinctCount ( int arr [ ] , int n ) {
  Set < Integer > s = new HashSet < Integer > ( ) ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) s . add ( Math . abs ( arr [ i ] ) ) ;
  return s . size ( ) ;
}

static int distinctCount ( int arr [ ] , int n ) { Set < Integer > s = new HashSet < Integer > ( ) ; for ( int i = 0 ; i < n ; i ++ ) s . add ( Math . abs ( arr [ i ] ) ) ; return s . size ( ) ; }
(method_declaration (modifiers) type: (integral_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: (generic_type (type_identifier) (type_arguments (type_identifier))) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (generic_type (type_identifier) (type_arguments (type_identifier))) arguments: (argument_list)))) (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: (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (identifier)))))))) (return_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))