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9 lines
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<!doctype html><html lang="en"><meta charset="utf-8"><title>Values and decisions</title><h1>Values and decisions</h1><p>15-minute session: read for 3 minutes, trace for 3, experiment for 7, and complete the check for 2. Spend longer whenever you need.</p><p>A decision chooses which statements run. The policy here is “ready at 80 or higher.” Trace 85, 79, 80, and 81 before running each case. The comparison includes 80. A program that prints the right answer for 85 may still be wrong at the boundary. Add a separate check rejecting scores below 0 or above 100; rejection and needing practice mean different things.</p><p>Object Pascal classes and Objective-Pascal are distinct. First learn <code>class</code>, construction, and <code>Free</code> using the Linux lab. Objective-Pascal adds Objective-C interoperability through mode switches; this lab does not provide that Apple runtime.</p><pre><code class="language-objectpascal">program AgilaStudy;
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{$mode objfpc}{$H+}{$assertions on}
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var Score: Integer;
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begin
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Score := 85;
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if Score >= 80 then writeln('Ready') else writeln('Practice');
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end.
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</code></pre><p><strong>Expected result:</strong> <code>Ready</code></p><h3>Practice and evidence</h3><p>Keep three notes: your prediction, the actual result, and why they match or differ. The completion check grades understanding; the practice task builds skill.</p><p><a href="https://docs.freepascal.org/daily/doc/ref/refse74.html">Language reference</a></p></html> |