I keep hearing about all the new cool features that are being added to the JVM and one of those cool features is invokedynamic. I would like to know what it is and how does it make reflective programming in Java easier or better?
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I keep hearing about all the new cool features that are being added to the JVM and one of those cool features is invokedynamic. I would like to know what it is and how does it make reflective programming in Java easier or better?
It is a new JVM instruction which allows a compiler to generate code which calls methods with a looser specification than was previously possible — if you know what “duck typing” is, invokedynamic basically allows for duck typing. There’s not too much you as a Java programmer can do with it; if you’re a tool creator, though, you can use it to build more flexible, more efficient JVM-based languages. Here is a really sweet blog post that gives a lot of detail.