Java programming file traversal of the specified number of layers of traversal, detailed code

• Java

Traversal is to access each element once For example, in a binary tree, traversing the binary tree means that each element in the binary tree is accessed once

This example demonstrates the implementation of "specify the number of layers to traverse when traversing a file".

1. Example code

2. Test results:

File: e: \ filetest \ f.txt file: e: \ filetest \ F1 \ new text document - copy Txt file: e: \ filetest \ F1 \ create a new text document Txt file: e: \ filetest \ F1 - copy \ new text document txt

summary

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