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Errata for OCP: Oracle Certified Professional Java SE 8 Programmer II Study Guide -page 562/Answer 3  RSS feed

 
Greenhorn
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All explanations are correct but answer choices does not cover correct answer. In order to use scheduleWithFixedDelay(), first line  which is above the w1 needs to be changed. Changing w1 and w2 won't be enough to make the code compile.
 
It is sorta covered in the JavaRanch Style Guide.
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