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Editorial Team
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Asked: 2026-06-15T05:02:40+00:00

Is there a way to write to an outputstream that will be read by

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Is there a way to write to an outputstream that will be read by the System.in input stream? For example:

BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(System.in));

Except that doesn’t work because System.in is an input stream and OutputStreamWriter takes an outputstream.

I want to output something that will be read by:

BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));

What I am trying to do is write a unit test for a console application. I want to programatically test my input. Any way to do this would answer my question.

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1 Answer

  1. Editorial Team

    My suggestion is that you make methods with method(String/int var) and have a separate parser. Then you can test all methods without having to have an input. This is standard in unit-testing.

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