제출 #81594

실행 실패 (제출 코드 컴파일 에러)

Main.java:41: error: no suitable method found for collect(Collector<CharSequence,CAP#1,String>)
        String joined = ans2.stream().collect(Collectors.joining(", "));
                                     ^
    method Stream.<R#1>collect(Supplier<R#1>,BiConsumer<R#1,? super Integer>,BiConsumer<R#1,R#1>) is not applicable
      (cannot infer type-variable(s) R#1
        (actual and formal argument lists differ in length))
    method Stream.<R#2,A>collect(Collector<? super Integer,A,R#2>) is not applicable
      (cannot infer type-variable(s) R#2,A
        (argument mismatch; Collector<CharSequence,CAP#2,String> cannot be converted to Collector<? super Integer,A,R#2>))
  where R#1,T,R#2,A are type-variables:
    R#1 extends Object declared in method <R#1>collect(Supplier<R#1>,BiConsumer<R#1,? super T>,BiConsumer<R#1,R#1>)
    T extends Object declared in interface Stream
    R#2 extends Object declared in method <R#2,A>collect(Collector<? super T,A,R#2>)
    A extends Object declared in method <R#2,A>collect(Collector<? super T,A,R#2>)
  where CAP#1,CAP#2 are fresh type-variables:
    CAP#1 extends Object from capture of ?
    CAP#2 extends Object from capture of ?
Main.java:43: error: no suitable method found for collect(Collector<CharSequence,CAP#1,String>)
        String joined2 = ans.stream().collect(Collectors.joining(", "));
                                     ^
    method Stream.<R#1>collect(Supplier<R#1>,BiConsumer<R#1,? super Integer>,BiConsumer<R#1,R#1>) is not applicable
      (cannot infer type-variable(s) R#1
        (actual and formal argument lists differ in length))
    method Stream.<R#2,A>collect(Collector<? super Integer,A,R#2>) is not applicable
      (cannot infer type-variable(s) R#2,A
        (argument mismatch; Collector<CharSequence,CAP#2,String> cannot be converted to Collector<? super Integer,A,R#2>))
  where R#1,T,R#2,A are type-variables:
    R#1 extends Object declared in method <R#1>collect(Supplier<R#1>,BiConsumer<R#1,? super T>,BiConsumer<R#1,R#1>)
    T extends Object declared in interface Stream
    R#2 extends Object declared in method <R#2,A>collect(Collector<? super T,A,R#2>)
    A extends Object declared in method <R#2,A>collect(Collector<? super T,A,R#2>)
  where CAP#1,CAP#2 are fresh type-variables:
    CAP#1 extends Object from capture of ?
    CAP#2 extends Object from capture of ?
2 errors