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Retrieving the Metadata of Script Engines

import java.util.List; import javax.script.ScriptEngineFactory; import javax.script.ScriptEngineManager; public class MetadataDemo {   public static void main(String[] args) {     ScriptEngineManager manager = new ScriptEngineManager();     List<ScriptEngineFactory> factories = manager.getEngineFactories();     for (ScriptEngineFactory factory : factories) {       System.out.println("Full name = " + factory.getEngineName());       System.out.println("\nVersion = " + factory.getEngineVersion());       System.out.println("\nSupported language version = " + factory.getLanguageVersion());     }   } } /* */ Full name = Mozilla Rhino Version = 1.6 release 2 Supported language version = 1.6