static T f(AC<? super T> list) {
return null;
}
AC<?> unbound = new AC<>();
f(unbound);
运行时会报错,是为什么,通配符在运行时不是转化为Object吗
static T f(AC<? super T> list) {
return null;
}
AC<?> unbound = new AC<>();
f(unbound);
运行时会报错,是为什么,通配符在运行时不是转化为Object吗