Answers for "java return new instance of generic type"

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java return new instance of generic type

public static <E> void append(List<E> list, Class<E> cls) throws Exception {
    E elem = cls.newInstance();   // OK
    list.add(elem);
}
//You can invoke the append method as follows:
List<String> ls = new ArrayList<>();
append(ls, String.class);

Posted by: Guest on May-16-2020

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