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made blocks active, changed some wording to work with these changes #217

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Merged
pearcej merged 1 commit into from
Jul 23, 2026
+15 −7
Merged

made blocks active, changed some wording to work with these changes #217

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22 changes: 15 additions & 7 deletions source/ch2_firstjavaprogram.ptx
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Original file line number Diff line number Diff line change
Expand Up @@ -31,10 +31,10 @@
</p>

<listing xml:id="python-class-example">
<program language="python">
<program interactive="activecode" language="python">
<code>
class Dog:
""" A simple Dog class definition. """
""" A simple Dog class definition. """
def __init__(self, name, breed, fur_color):
# constructor method to create a Dog object
self.name = name
Expand Down Expand Up @@ -175,7 +175,7 @@
</p>

<listing xml:id="python-hello-world">
<program language="python">
<program interactive="activecode" language="python">
<code>
def main():
print("Hello World!")
Expand All @@ -184,7 +184,11 @@
</listing>

<p>
Remember that we can define this program right at the Python command line and then run it as per <xref ref="python-hello-world-run" text="type-global"/>.
Remember that we can define this program right at the Python command line and then run it with <c>main()</c> Try it in <xref ref="python-hello-world" text="type-global"/>.
</p>

<p>
The command line interface of the program is shown in <xref ref="python-hello-world-run" text="type-global"/>.
</p>

<listing xml:id="python-hello-world-run">
Expand Down Expand Up @@ -494,7 +498,7 @@ System.
</p>

<listing xml:id="python-static-method">
<program language="python">
<program interactive = "activecode" language="python">
<code>
class Hello(object):
@staticmethod
Expand All @@ -506,21 +510,25 @@ class Hello(object):

<p>
Notice that we used the decorator <c>@staticmethod</c> to tell the Python interpreter that <c>main</c> is going to be a static method.
The impact of this is that we don&#x2019;t have to, indeed we should not, use <c>self</c> as the first parameter of the main method! Using this definition we can call the main method in a Python session like <xref ref="python-static-method-run" text="type-global"/>.
The impact of this is that we don&#x2019;t have to, indeed we should not, use <c>self</c> as the first parameter of the main method! Using this definition we can call the main method in a Python session with <c>Hello.main("")</c>. Try it in <xref ref="python-static-method" text="type-global"/>.
</p>

<p>
The command line interface of the program is shown in <xref ref="python-static-method-run" text="type-global"/>.
</p>

<listing xml:id="python-static-method-run">
<program language="python">
<code>
&gt;&gt;&gt; Hello.main("")
Hello World!
&gt;&gt;&gt;
</code>
</program>
</listing>

</section>


<section xml:id="lets_look_java_program_summary">
<title>Summary &amp; Reading Questions</title>
<p><ol label="1">
Expand Down