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<h1 class="topictitle1">Initial debugging displays for Java programs</h1>
<div><p>As you debug your Java™ programs, follow these example displays
for your programs. These displays show an example program, named Hellod.</p>
<div class="section"><ul><li>Enter <samp class="codeph">ADDENVVAR ENVVAR(CLASSPATH) VALUE ('/MYDIR')</samp>.</li>
<li>Enter this command: <samp class="codeph">RUNJVA CLASS(HELLOD) OPTION(*DEBUG)</samp>.
Insert the name of your Java program in place of HELLOD.</li>
<li>Wait for the Display Module Source display to appear. This is the source
for the HELLOD Java program. <pre>+--------------------------------------------------------------------------------+
| Display Module Source |
| |
| Class file name: HELLOD |
| 1 import java.lang.*; |
| 2 |
| 3 public class Hellod extends Object |
| 4 { |
| 5 int k; |
| 6 int l; |
| 7 int m; |
| 8 int n; |
| 9 int o; |
| 10 int p; |
| 11 String myString; |
| 12 Hellod myHellod; |
| 13 int myArray[]; |
| 14 |
| 15 public Hellod() |
| More... |
| Debug . . . |
| |
| F3=End program F6=Add/Clear breakpoint F10=Step F11=Display variable |
| F12=Resume F17=Watch variable F18=Work with watch F24=More keys |
| |
+--------------------------------------------------------------------------------+</pre>
</li>
<li>Press F14 (Work with Module List).</li>
<li>The Work with Module List display is shown. You can add other classes
and programs to debug by entering option 1 (Add program). Display their source
with option 5 (Display module source). <pre>+--------------------------------------------------------------------------------+
| Work with Module List |
| System: AS400 |
| Type options, press enter. |
| 1=Add program 4=Remove program 5=Display module source |
| 8=Work with module breakpoints |
| |
| Opt Program/module Library Type |
| *LIBL *SRVPGM |
| HELLOD *CLASS Selected |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| Bottom |
| Command |
| ===&gt; |
| F3=Exit F4=Prompt F5=Refresh F9=Retrieve F12=Cancel |
| F22=Display class file name |
| |
+--------------------------------------------------------------------------------+</pre>
</li>
<li>When adding a class to debug, you may need to enter a package-qualified
class name that is longer than the Program/module input field. To enter a
longer name, follow these steps: <ol><li>Enter Option 1 (Add program).</li>
<li>Leave the Program/module field blank.</li>
<li>Leave the library field as *LIBL.</li>
<li>Enter *CLASS for Type.</li>
<li>Press Enter.</li>
<li>A pop up window is displayed where you have more room to enter the package-qualified
class file name.</li>
</ol>
</li>
</ul>
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<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="debugopt.htm" title="Use the *DEBUG option to view the source code before running the program. The *DEBUG option allows you to set breakpoints within the code.">Debug Java programs by using the *DEBUG option</a></div>
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