JavaScript Nashorn

JavaScriptPrj/JavaScriptPrj.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="jdk" jdkName="1.8" jdkType="JavaSDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

JavaScriptPrj/src/JavaScriptExemplo.java

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+import java.io.FileReader;
+
+import javax.script.Bindings;
+import javax.script.ScriptContext;
+import javax.script.ScriptEngine;
+import javax.script.ScriptEngineManager;
+
+public class JavaScriptExemplo {
+
+	public static void main(String[] args) {
+
+		ScriptEngine ee = new ScriptEngineManager().getEngineByName("Nashorn");
+
+		Bindings bind = ee.getBindings(ScriptContext.ENGINE_SCOPE);
+
+		bind.put("goodbye", " Até logo!!!");
+
+		try {
+			ee.eval(new FileReader("olamundo.js"));
+		}
+		catch (Exception e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+	}
+
+}

olamundo.js

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+var saudacao = "Olá Mundo!";
+var goodbye;
+print(saudacao + goodbye);