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David Kramer's high-entropy blog

Two Java Phone Screen Questions

When I phone screen a Java candidate, I ask just two technical questions to assess their competency and give me a feel for where they are on the scale of “Heads-down coder” to “Java Software Engineer”.  In general, I try not to discount any candidate on just one factor, because we all have different weaknesses and strengths.  That’s why I consider these assessment questions instead of must-haves.

This is especially true of SQL questions in interviews.  I am way more interested in their thought process and how they come up with an SQL query than I am the query they respond with.  I’m not testing whether they have SQL syntax memories; I’m testing whether they understand how relational data can be joined and aggregated and filtered to produce the desired results.
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What does your company maximize?

I heard a CEO say the other day that “Charity is not a business model”.  I’m not so sure that’s the case, but it got me thinking.  And researching.  It turns out that companies (and their executives) are not legally bound  to maximize shareholder profits, as many people (including myself, until now) think.  Businesses can form to, and focus on, maximize any collection criteria they want.

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