In this post, we will see how to resolve java record compact constructor bytecode Question: I was transforming a simple class to a record, which looks like this: Instinctively, I wrote it like this: which fails to compile: cannot assign ...

Question: The following Java program takes on average between 0.50 secs and 0.55 secs to run: If I replace 2 * (i * i) with 2 * i * i, it takes between 0.60 and 0.65 secs to run. How ...

Question: We are using WildFly 26.0.1 with Java 17. When you deploy a WAR file, WildFly inspects all JAR files contained in the WAR, and modifies all compiled class files (.class) that reference “javax.” packages, replacing them by their corresponding ...

Question: I’ve tried using py_compile to get me some bytecode examples (for learning needs). However, this is what I get file.py: file.pyc: I guess I’m doing something terribly wrong, but I have no clue. My base script is Answer: Are ...

Question: I am writing a JVM. I was implementing all opcodes one by one, until I faced dup2. The oracle instruction set https://docs.oracle.com/javase/specs/jvms/se7/html/jvms-6.html#jvms-6.5.dup2 says Duplicate the top one or two values on the operand stack and push the duplicated value ...