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New posts in unbounded-wildcard

Why is List compatible with List<?> but List<List> is not with List<List<?>>? [duplicate]

Java cannot cast from list of raw generic type to list of wildcard generic type [duplicate]

Unbound Wildcard Type

Wildcard and type pameter bounds in java

filtering a stream changes its wildcard bounds?

What is the purpose of List<?> if one can only insert a null value?

List<List<?>> and List<List> are incompatible types in java [duplicate]

Java Method Unbounded Type or Class Return

Why can't I use the wildcard (?) as type of parameter, field, local variable, or as return type of a method?

Irregularities with the (?) wildcard generic type

Java nested generic type

Cannot convert from List<List> to List<List<?>>

Difference between an unbound wildcard and a raw type