在main函數中創建新對象時出錯 No enclosing instance of type ooo is accessible. Must qualify the allocation with a

錯誤原因：No enclosing instance of type ooo is accessible. Must qualify the allocation with an enclosing instance of type ooo (e.g. x.new A() where x is an instance of ooo). 方法： 方法一：分爲兩個class 不用內部類 方法二：給內部

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