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HDJ: Hybrid Debugger for Java
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Since May 2013, DDJ is integrated into another debugger called HDJ. 
HDJ allows you to debug a Java program using three different
debugging techniques: trace debugging, algorithmic debugging (DDJ) and omniscient debugging.
Once installed, you can switch between the three techniques
even during the same debugging session.

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  USAGE
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1) install HDJ into Eclipse
2) open the "Window" menu, go to "Open Perspective" and click on "Other..."
3) add "DDJ" and "ODJ" perspectives

HDJ's website: http://www.dsic.upv.es/~jsilva/HDJ/