本文介绍了关闭DataInputStream也会关闭FileInputStream吗?的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
FileInputStream fstream = new FileInputStream(someFile.getPath());
DataInputStream in = new DataInputStream(fstream);
如果我呼叫in.close()，它还会关闭fstream吗?我的代码给出了GC异常，如下所示:
If i call in.close(), will it also close fstream ? My code is giving GC Exception as follows:
java.lang.OutOfMemoryError:超出了GC开销限制
推荐答案
是的，DataInputStream.close()也会关闭您的FileInputStream.
这是因为DataInputStream继承了FilterInputStream，它具有close()方法的以下实现:
This is because DataInputStream inherits FilterInputStream which has the following implementation of the close() method:
public void close() throws IOException {
in.close();
}
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