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package p;
public class WildcardParam_in {
public void foo() {
NumberCell<Integer> c1= new NumberCell<Integer>(3);
NumberCell<Integer> c1a= NumberCell.createNumberCell(c1);
NumberCell<Float> c2= new NumberCell<Float>(3.14F);
NumberCell<Float> c2a= NumberCell.createNumberCell(c2);
}
}
class NumberCell<T extends Number> {
public static <T extends Number> NumberCell<T> createNumberCell(NumberCell<? extends T> other) {
return new NumberCell<T>(other);
}
T fNum;
public NumberCell(T n) {
fNum= n;
}
private /*[*/NumberCell/*]*/(NumberCell<? extends T> other) {
fNum= other.fNum;
}
}
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