static void sortUglyNumbers ( int arr [ ] , int n ) {
  ArrayList < Integer > list = new ArrayList < > ( ) ;
  int i ;
  for ( i = 0 ;
  i < n ;
  i ++ ) {
    if ( isUgly ( arr [ i ] ) ) {
      list . add ( arr [ i ] ) ;
      arr [ i ] = - 1 ;
    }
  }
  Collections . sort ( list ) ;
  int j = 0 ;
  for ( i = 0 ;
  i < n ;
  i ++ ) {
    if ( arr [ i ] == - 1 ) System . out . print ( list . get ( j ++ ) + " " ) ;
    else System . out . print ( arr [ i ] + " " ) ;
  }
}

static void sortUglyNumbers ( int arr [ ] , int n ) { ArrayList < Integer > list = new ArrayList < > ( ) ; int i ; for ( i = 0 ; i < n ; i ++ ) { if ( isUgly ( arr [ i ] ) ) { list . add ( arr [ i ] ) ; arr [ i ] = - 1 ; } } Collections . sort ( list ) ; int j = 0 ; for ( i = 0 ; i < n ; i ++ ) { if ( arr [ i ] == - 1 ) System . out . print ( list . get ( j ++ ) + " ▁ " ) ; else System . out . print ( arr [ 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: (generic_type (type_identifier) (type_arguments (type_identifier))) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (generic_type (type_identifier) (type_arguments)) arguments: (argument_list)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier))) (for_statement init: (assignment_expression left: (identifier) right: (decimal_integer_literal)) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (method_invocation name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (identifier))))) consequence: (block (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (identifier))))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (unary_expression operand: (decimal_integer_literal)))))))) (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))) (for_statement init: (assignment_expression left: (identifier) right: (decimal_integer_literal)) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (unary_expression operand: (decimal_integer_literal)))) consequence: (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (update_expression (identifier)))) right: (string_literal))))) alternative: (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))))))))))