Here's what I've learned over 20 years of working with both C++ and Java (and more years before that with C++): As a rule of thumb, when you convert optimized C++ to Java, the code is about 3x ...

The one exception was the Declarations and Initializations Category, where GPT-4o identified 80 percent of the errors in the Java code (four out of five), but only 78 percent of the C++ examples (25 ...