How Java Debuggers Dynamically Modify Running Code
Java debuggers like those in IntelliJ IDEA support powerful features such as evaluating arbitrary expressions at breakpoints. This capability—modifying behavior of a running JVM without restarting—relies on several advanced JVM technologies working in concert.
The core mechanism involves dynamically altering bytecode of already-loaded classes. ...
Posted on Fri, 08 May 2026 10:12:03 +0000 by Silverado_NL