T
- 所持有值类型public final class Holder<T> extends MutableObj<T>
Modifier and Type | Method and Description |
---|---|
static <T> Holder<T> |
of(T value)
新建Holder类,持有指定值,当值为空时抛出空指针异常
|
public Holder()
public Holder(T value)
value
- 被包装的对象public static <T> Holder<T> of(T value) throws NullPointerException
T
- 被持有的对象类型value
- 值,不能为空NullPointerException
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