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<title>CSE1XX How To Do Well In This Course</title>
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<H2>How To Use DrJava Interactions History (.hist) Files </H2>
<h3>Overview</h3>
<ul>
<li>History files are easy to use! </li>
<li>They can spare you from typing (or retyping) statements in to the interactions pane.  </li>
<li>They are human-readable files that contain code to be run in the interactions pane. </li>
<li> They can be edited with any editor (Notepad, emacs, pico, etc.).</li>
</ul>
<h3>If you are given a .hist file:</h3>
<ul>
       <li>Download it. </li>
	   <li>To execute the code one statement at a time: </li>
	   <ul>
       <li>Choose <strong>Tools -&gt; Load Interactions History as Script</strong></li>
       <li>In the Interactions Pane, hit <strong>Next</strong> and <strong>Execute</strong> repeatedly. </li>
       <li>That's it! </li>
	   </ul>
	   <li>You can skip a statement (Next, Next), repeat it (Prev, Execute), or edit it (after Next, before Execute).</li>
	   <li>You can intersperse new statments with the scripted ones (by simply typing the new ones in to the interactions pane). </li>
	   <li>To execute all the script's statements in one shot: </li>
	   <ul>
       <li>Choose <strong>Tools -&gt; Execute Interactions History </strong></li>
       </ul>
</ul>

<h3>How to create your own .hist file:</h3>
<ul>
       <li>Choose <strong>Tools -&gt; Save Interactions History as Script</strong></li>
	   <li>You will be given the option to edit the statements before saving them.</li>
       <li>A handy option is <strong>Tools -&gt; Clear Interactions History </strong>. Do this if you will eventually save interactions but you want to start with a clean slate (not save anything you've done so far).</li>
</ul>
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