Run Javascript Code inside Java Code
As JDK 8 has Nashorn Javascipt Engine, below is simple code snippet for this: package com.sha.java8.jjs_nashorn; import javax.script.ScriptEngine; import javax.script.ScriptEngineManager; public class FirstEg { public static void main(String[] args) { ScriptEngineManager scriptEngineManager = new ScriptEngineManager(); ScriptEngine engine = scriptEngineManager.getEngineByName("nashorn"); String script = "var greet = 'Hello'; " + "greet += ' Shashwat'; " + "greet;"; Object output; try { output = engine.eval(script); System.out.println(output); } catch (Exception e) { System.out.println("Javascript Exception"); e.printStackTrace(); } } } Output: Hello Shashwat