interface Func<TIn, TOut>{ | |
TOut run(TIn in); | |
} | |
class Main { | |
public static void main(final String[] args) { | |
<error descr="Incompatible types. Found: '<method reference>', required: 'Func<java.lang.Integer,java.lang.String>'">Func<Integer, String> func = Integer::toString;</error> | |
System.out.println(func.run(6)); | |
} | |
} |