code for Executing Scripts from Java Programs

import javax.script.ScriptEngineManager;
import javax.script.ScriptEngine;
import javax.script.ScriptException;


public class ScriptExecutionDemo {
public static void main(String[] args) throws ScriptException {
ScriptEngineManager manager = new ScriptEngineManager();
ScriptEngine jsEngine = manager.getEngineByExtension("js");
jsEngine.eval("println ('Hello! JavaScript executed from a Java program.')");
}
}