Method and variable handles vs. Java reflection. To truly understand MethodHandles and VarHandles—what they do and why they are useful—it’s helpful to know a few things about reflection in Java.

Variables: Storing values in your Java code. Applications manipulate values that are stored in memory. Java’s variables feature symbolically represents memory in source code.

Sometimes machine-generated code prepends a dollar sign or underscores a Java variable to emphasize the nonhuman origins, but that's about it. PascalCase for Java reference types. There are five ...