"NullPointerException" tag
Time to program

Joy of Programming: Calling Virtual Functions from Constructors

Calling virtual functions from constructors is problematic, and this problem can manifest itself in many ways. In this column, we’ll take a look at this problem, with specific examples. Last year, I bought…

Debugging introduces bug(s)?

Joy of Programming: How Debugging Can Result in Bugs!

We typically debug code to find and fix bugs. However, debugging itself can cause bugs. This is an interesting phenomenon that we cover in this month’s column. Consider the following simple Java example,…

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