
public static T as(Object o, Class<T> tClass) { return tClass.isInstance(o) ? (T) o : null;}User user = as(obj, User.class);欢迎分享,转载请注明来源:内存溢出

public static T as(Object o, Class<T> tClass) { return tClass.isInstance(o) ? (T) o : null;}User user = as(obj, User.class);欢迎分享,转载请注明来源:内存溢出
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