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Up until now, GraalVM has offered two ways to run Java programs: using the Java HotSpot VM with the GraalVM JIT (just-in-time) compiler, and compiled to a native executable using GraalVM Native Image. Today, we’re happy to announce a new way to run Java on GraalVM. GraalVM 21.0 introduces a new installable component, named espresso, which provides a JVM implementation written in Java. Java on Truffle place in the GraalVM architecture Espresso makes it possible to run Java code via the Tru...