Compile Java regression test sources (2/n)

[peterschrammel]

of book-examples JBMC regression tests

Also see #8487

• Each commit message has a non-empty body, explaining why the change was made.
• [n/a] Methods or procedures I have added are documented, following the guidelines provided in CODING_STANDARD.md.
• [n/a] The feature or user visible behaviour I have added or modified has been documented in the User Guide in doc/cprover-manual/
• [n/a] Regression or unit tests are included, or existing tests cover the modified code (in this case I have detailed which ones those are in the commit message).
• [n/a] My commit message includes data points confirming performance improvements (if claimed).
• My PR is restricted to a single feature or bugfix.
• [n/a] White-space or formatting changes outside the feature-related changed lines are in commits of their own.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.89%. Comparing base (2d63d9b) to head (60a7a6c).
Report is 5 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #8548   +/-   ##
========================================
  Coverage    78.89%   78.89%           
========================================
  Files         1730     1730           
  Lines       198868   198868           
  Branches     18365    18365           
========================================
  Hits        156895   156895           
  Misses       41973    41973           

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