static public void main ( String [ ] args ) {
  String str = "AABBBCBB" ;
  int len = smallesteSubstr_maxDistictChar ( str ) ;
  System . out . println ( " The length of the smallest substring" + " consisting of maximum distinct " + "characters : " + len ) ;
}

static public void main ( String [ ] args ) { String str = " AABBBCBB " ; int len = smallesteSubstr_maxDistictChar ( str ) ; System . out . println ( " ▁ The ▁ length ▁ of ▁ the ▁ smallest ▁ substring " + " ▁ consisting ▁ of ▁ maximum ▁ distinct ▁ " + " characters ▁ : ▁ " + len ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (string_literal))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation name: (identifier) arguments: (argument_list (identifier))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (binary_expression left: (binary_expression left: (string_literal) right: (string_literal)) right: (string_literal)) right: (identifier)))))))