Different asserts are good in different situations

Filed under: Java, TDD, Teaching, — Tags: JUnit, assertThat, assertTrue — Thomas Sundberg — 2015-11-06

When should you use which assert? It is a question developers new to unit tests may ask themselves.

It is easy as a seasoned developer to think that this is obvious. It isn't when you are learning.

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Teaching - the difference between a lecture and a conversation

Filed under: Teaching, — Tags: Conversation, Lecture — Thomas Sundberg — 2013-04-02

There is a big difference when teaching a large group and teaching a small group. I recently had the pleasure of teaching the same material in a few different scenarios. One of them with a large audience of about 70 participants. It took me approximately 2.5 hours to go through all slides and coding an example. Two other scenarios was with small groups with less than 10 participants. The exact same material took a little over a little over 3 hours to complete.

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What is the difference between i++ and ++i?

Filed under: Clean code, Java, Programming, Teaching, — Tags: ++i, difference between i++ and ++i, i++ — Thomas Sundberg — 2011-08-05

During a coaching session I got a question about a loop.

Would there be any difference in the output from a loop defined as

for (int i = 0; i < 3; i++) {
    System.out.print(i + " ");
}

and a loop defined as

for (int i = 0; i < 3; ++i) {
    System.out.print(i + " ");
}

in Java?

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